The Hardy-Weinberg principle is written as an equation: p2 + 2pq +q2 = 1. What does the q represent?
A.
frequency of the dominant allele
B.
the size of the gene pool
C.
frequency of the recessive allele
D.
the size of the population

Answers

Answer 1

Answer:

I think its D

Explanation:


Related Questions

26. When Peter touches a warm radiator, hest is transferred to his body by
A, convection,
B. radiation,
C. Insulation,
D. conduction.

Answers

Answer: The answer is D) Conduction.

Explanation:

The answer is D. The explanation if you see the sentences tell you hest is transferred to his body

The LPN/LVN cares for a client newly diagnosed with paranoid schizophrenia. The client tells the LPN/LVN, "There are really strange people in the corner of my room laughing at me and saying horrible things." Which of the following responses by the LPN/LVN is MOST appropriate?

1. "I don't see anything, and you really have nothing to be ashamed of."
2. "I don't hear the voices, but this seems to be frightening you."
3. "What are they saying to you?"
4. "Sometimes when people are upset, their imagination plays tricks on them."

Answers

Answer:

4. "Sometimes when people are upset, their imagination plays tricks on them."

In fat synthesis,________and fatty acids combine to make fats plus________. a. glycerol; water b. esters; phosphate c. phosphate; glycerol d. glucose; phosphate e. esters; water

Answers

In fat synthesis, glycerol and fatty acids combine to make fats plus water. Thus, the correct answer is A.

What are fatty acids?

Fatty acid may be defined as an organic compound that generally consists of a straight chain of carbon atoms, with hydrogen atoms along the length of the chain and at one end of the chain and a carboxyl group at the other end.

The synthesis of fatty acid is the formation of fatty compounds from acetyl- CoA and NADPH with the action of an enzyme known as fatty acid synthases. This process of fatty acid synthesis significantly takes place in the cytoplasm as well as the endoplasmic reticulum of the cell.

Triglycerol is formed with the help of adjoining three fatty acids to a glycerol backbone. This process involves the dehydration reaction. This is because three molecules of water are released in the process of fatty acid synthesis.

Therefore, in fat synthesis, glycerol and fatty acids combine to make fats plus water. Thus, the correct answer is A.

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Final answer:

In fat synthesis, glycerol and fatty acids combine to form fats and release water as a byproduct. The correct answer is 'a. glycerol; water'.

Explanation:

In fat synthesis, glycerol and fatty acids are the precursors required to form fats. The process involves the formation of ester bonds between glycerol and fatty acids. Each fatty acid is esterified to a hydroxyl group on the glycerol molecule through a dehydration synthesis reaction. This reaction liberates a molecule of water for each ester bond formed.

Therefore, the correct answer to the question is 'a. glycerol; water'. When glycerol and fatty acids combine, they form fats (triglycerides) and release water molecules as byproducts of the esterification process.


On a hike through the forest, you notice a population of 100 flowering plants that all look identical (phenotypic clones), and they span an area of approximately 100 square meters. You take some representatives from one corner of their distribution back to the lab, sequence their DNA, and conclude that they are also genetic clones (i.e. genetically identical). Based on this information, state whether the statements below are true or false.

Also, provide an explanation.

1a. True or False: This population can evolve by natural selection.

1b. True or False: This population can evolve by genetic drift.

Answers

Answer:

1a. False

1b. False

Explanation:

They are genetic clones which make them identical so there is no difference in phenotype which is the key mechanism for evolution to occur through natural selection.

- since they are of one phenotype(genetically identical) genetic drift can not occur. For genetic drift to occur, there must be a change in the frequency of one allele within a population over a period of time and this genetic variation must occur randomly for a genetic drift to occur.

Nelson has been blind since birth. However, an fMRI of his brain shows intense activity in his visual cortex when he is reading Braille. How can this activity be explained?

Answers

Explanation:

" I Don't know about it , ,. , , , , x x , ,b, , , , ,

The Hawaiian state bird, the Nene, has an uncertain evolutionary history. It is thought that it has evolved from some other type of goose that was blown to the islands during a typhoon. Genomics would be most appropriate for addressing which research question regarding the Nene?

Answers

Answer:

It will address the research question of what type of goose (species) does the Nene evolved from.

Explanation:

Genomics uses the whole set of an organisms DNA to study and understand its' function, structure, and evolution. Scientists will use the Nene's genome set to study its evolution,basically telling a story where it comes from.

Sumer has come up with a great analogy for a presentation she is giving in her psychology class. The membrane encasing a neuron only allows some ions to pass in and out of its channels. And she is going to describe this _____ membrane as a guard only allowing some patrons to enter and leave a controlled area.

Answers

Answer:

Cell membrane

Explanation:

Sumer has come up with a great analogy for a presentation she is giving in her psychology class. The membrane encasing a neuron only allows some ions to pass in and out of its channels. And she is going to describe this cell membrane as a guard only allowing some patrons to enter and leave a controlled area.

Answer:

Cell surface membrane.(Axolemma)

Explanation:

These membranes encasing the neuron is perforated by ion channels,  which allow   diffusion of ions  with their charges across it down their electrochemical gradients. These ion channels are specific to a particular ion, while restricting others. E,g sodium-potassium pump , are special ion channels  in  axon cell membrane with specif channels for sodium ions, and will not allow the passage of potassium through the same channels and vice-versa.

There are two types on these ion  channels based on  what controls their openings.

The voltage gated ion channels which are controlled by the electrical potential or  voltage generated across the axon.And the ion channels control by the electrochemical gradients of the ions moving across the membrane.

The reversal of the charges of these ions across it (axonlemma)  create membrane potential down the length of the membrane. This set up a voltage change inside the Axoplasm(cytoplasm of the axon). If this voltage  is  up to the threshold it creates depolarization of the ( ion channels)with influx of sodium ions, while the potassium ions channels are shut up.

Furthermore, if the stimulation of the neuron is intense, and the membrane potential  increases up to the threshold level   the electrical potential energy generated cause the (voltage gated channels to open) . The potential generated is called Action potential.

Summary

The specificity of these channels to certain ions while restricting others  is a good illustration for Sumer to   describe how a guard can control the movement of patrons in a controlled area.

A human red blood cell has on average a diameter of 7.6 microns (1 micron = 1 µm). What is this in nanometers?

Answers

Answer;7600 nanometers

The doctrine that there are functionally two distinct ways in which our eyes work, the photopic, associated with the cones, and the scotopic, associated with the rods, is known as the ______ theory of vision.

Answers

Answer:

Duplex theory of vision

Explanation:

The duplex theory of vision suggests that the eyes work functionally in two different ways: the scotopic system which is formed of the rod cells and allows the vision in the low light conditions and the photopic system which is formed of the cone cells and allow us to see in the light conditions.

The duplex theory arose due to the different spectral absorption by different photoreceptors of the eye, the differences in the sensitivity to the light and different summation properties.

Thus, Duplex theory of vision is the correct answer.

An organism has a haploid number of 6. How many possible assortments of chromosomes are possible based on the independent assortement of the chromosomes?

Answers

Answer:

64

Explanation:

Assortment of chromosomes according to Mendel, is when alleles on the chromosomes get separated into gametes independenly of one another. Independent assortment reshuffles or rearranges the chromosomal pair in the resulting gametes. 2^n is a mathematical expression that can be used to determine the number of possible chromosome combinations, which n is the number of chromosomes that can be present in one gamete.

In this case, the organism has an haploid number of 6, meaning that 6 chromosomes can be present in the gamete. Hence, 2^6 will give rise to 64 possible combinations of chromosomes in each gamete.

Final answer:

The independent assortment of chromosomes in an organism with a haploid number of 6 allows for 8 possible assortments of chromosomes.

Explanation:

In biology, the independent assortment of chromosomes refers to the random alignment of homologous pairs of chromosomes during meiosis. In this case, an organism with a haploid number of 6 would have 3 pairs of chromosomes. Each pair can align independently of the others during meiosis, resulting in different possible assortments.

The number of possible assortments can be calculated using the formula 2^n, where n is the number of chromosome pairs. So in this case, there would be 2^3 = 8 possible assortments of chromosomes.

For example, if the chromosome pairs are labeled A/a, B/b, and C/c, the possible assortments could be AABBCC, AABBcc, AaBBCC, AaBBcc, AABBCC, AABBcc, AabbCC, and Aabbcc.

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The division of the nervous system that allows the brain and the spinal cord to communicate with the sensory systems of the eyes, ears, skin, and mouth, and allows the brain and spinal cord to control the muscles and glands of the body is called the ________.

Answers

Answer:

peripheral nervous system

Explanation:

The peripheral nervous system includes all nervous tissue except form the central nervous system. The afferent division of this nervous system delivers the sensory information from the sensory receptors to the central nervous system. In this way, the information from the somatic and special sensory organs such as the nose, tongue, eyes, and ears is delivered to the central nervous system.  

The motor division of the peripheral nervous system includes somatic and autonomic divisions. The somatic division is the motor division that conveys output from the CNS to skeletal muscles while the autonomic division sends the information from the CNS to smooth muscle, cardiac muscle, and glands.

The division of the nervous system responsible for facilitating communication between the brain, spinal cord, sensory systems (eyes, ears, skin, mouth), muscles, and glands is known as the "Peripheral Nervous System" (PNS).

The division of the nervous system that allows the brain and the spinal cord to communicate with the sensory systems of the eyes, ears, skin, and mouth, while also enabling them to control the muscles and glands of the body, is called the "Peripheral Nervous System" (PNS).

The PNS serves as a bridge between the central nervous system (CNS), which includes the brain and spinal cord, and the external environment. It consists of two main components:

1. Sensory (Afferent) Division: This component collects sensory information from various receptors throughout the body, including those in the eyes (vision), ears (hearing and balance), skin (touch, temperature, and pain), and mouth (taste and pressure). This sensory information is then transmitted to the CNS for processing and interpretation.

2. Motor (Efferent) Division: The motor division of the PNS carries commands and signals from the CNS to the muscles and glands, enabling voluntary muscle movements (somatic nervous system) and regulating involuntary functions like heart rate, digestion, and glandular secretions (autonomic nervous system).

The PNS plays a crucial role in sensory perception, motor control, and maintaining homeostasis by relaying information between the central nervous system and the body's external and internal environments.

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You discover a new virus. It has a single stranded + sense RNA genome. It uses a special enzyme to convert the RNA genome into double stranded DNA. Transcription of mRNA is carried out from the DS DNA template. Which group in the Baltimore classification system would you place this virus into?

Answers

Answer:

Group VI viruses (retroviruses)

Explanation:

Baltimore classified the viruses in different groups on the basis of their mode of replication and the type of genetic material they possess.

In the given question, the species which contains an ssRNA molecule but use DNA as an intermediate molecule to replicate is known as a retrovirus.

The retrovirus uses a special enzyme called reverse transcriptase which synthesizes the DNA from an RNA template. The DNA formed gets integrated into the host genome and gets replicated.

Thus, Group VI viruses are the correct answer.

Agents that paralyze skeletal muscle by simple competitive inhibition of acetylcholine at muscle receptor sites are called?

Answers

Agents that paralyze skeletal muscle by simple competitive inhibition of acetylcholine at muscle receptor sites are called?

a. nondepolarizing

b. depolarizing

c. antagonizing

d. repolarizing

Answer:

a. nondepolarizing

Explanation:

As the nerve impulse arrives, the synaptic end bulbs of the motor neurons release acetylcholine in the synapse. Acetylcholine binds to its receptors present at the motor endplate. This results in the opening of an ion channel in the ACh receptor to allow the movement of the Na+ into the cell. This makes the inside of the muscle fiber more positively charged, that is, depolarized.

Depolarization triggers a muscle action potential. Drugs or chemicals that paralyze skeletal muscle by competitive inhibition of acetylcholine at muscle receptor sites are called non-depolarizing as they do not allow the acetylcholine to facilitate the depolarization of the muscle fiber.

A researcher designs an experiment to investigate the effect of environmental temperature on the function of an enzyme. For each trial included in the experiment, the researcher will add the enzyme and its substrate to an aqueous buffer solution and then measure the amount of product formed over 20 minutes. Which of the following must remain the same for all trials of this experiment?A. The initial concentration of the substrate B. The final concentration of the product C. The three-dimensional structure of the enzyme D. The temperature of the aqueous buffer solution

Answers

Correct answer is option "A"

Explanation:

The initial concentration of the substrate(Keeping the initial substrate concentration steady permits the specialist to think about the response rates under various natural conditions. The response rates will furnish the scientist with data about the protein's capacity in various situations). A substrate is a substance that is used to make a final product. It is changed and reformed during the process. Sometimes chemical groups are added or taken away. In the cell, enzymes bind and change substrates into their final product. When the enzyme is bound to the substrate, it is known as an enzyme-substrate complex. Substrate concentration is the amount of substrate present that can be turned into a product. The unit of measurement usually assigned to eggs is dozen. Substrate concentration can be measured in various ways. Since the substrates inside the cell are suspended in cellular fluid, the substrate concentration is most commonly measured in molar concentration, or molarity (M), which is moles per liter.Hence,the correct answer is option A "the initial concentration of the substrate.

Nima excels at working with numbers in subjects such as calculus and algebra. This exemplifies ________ intelligence.
a) bodily kinesthetic
b) interpersonal
c) logical-mathematical
d) spatial

Answers

Answer:

c) logical-mathematical

Explanation:

There are many kind of intelligence, people with  logical-mathematical intelligence is attracted to hard facts and numerical data (calculus and algebra), they can make subjective analysis and investigation using the scientific method.

I hope you find this information useful and interesting! Good luck!

Nima excels at working with numbers in subjects such as calculus and algebra. This exemplifies logical-mathematical intelligence.

Logical Mathematical Intelligence is the ability to solve problems logically and identify solutions easily. This also involves the ability of being able to work with numbers easily.

Logical-mathematical intelligence also involves the recognition of patterns easily.

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Gjabolla has been suffering from a terrible fear of lightning for some time now. Whenever there are storms in the weather forecast, she gets very upset and plans on spending the duration of that time in her basement. She has even called in sick to work to avoid going out during a bad thunderstorm. How long would these symptoms have to persist before a diagnosis of a specific phobia could be made?

Answers

Answer:

6 months

Explanation:

A phobia can be described as a condition in which a person faces severe anxiety for a certain event or object that he observes. The person might behave irrationally when he/she observes the fearful event or object. Although a person completely understands that he is behaving irrationally after encountering the problematic situation, however he cannot control himself at the time when he experiences the situation. Psychologists diagnose phobia when a person continuously fears a situation for more a period of six or more months.

Corn lacks the essential amino acids isoleucine and lysine. Beans lack the essential amino acids tryptophan and methionine. Soy contains all the essential amino acids. Use this information to complete the following statement: Many traditional diets combine corn (e.g., tortillas) with beans to provide ________.a. all the essential fatsb. all the essential amino acidsc. all the essential fats and additional micronutrientsd. multivitaminse. additional micronutrients

Answers

Answer: Option B) all the essential amino acids

Many traditional diets combine corn (e.g., tortillas) with beans to provide all the essential amino acids

Explanation:

Corn with beans is regarded as rich diet because it provides the body with all the essential amino acids including isoleucine, lysine, tryptophan and methionine, just as found in Soy.

Thus, option B is the answer

Final answer:

Many traditional diets combine corn and beans to provide all the essential amino acids, compensating for the deficiencies each has individually. This illustrates the concept of complementary proteins, crucial for balanced nutrition in plant-based diets.

Explanation:

Many traditional diets combine corn (e.g., tortillas) with beans to provide all the essential amino acids. Corn lacks the essential amino acids isoleucine and lysine, while beans lack tryptophan and methionine. By combining these two plant sources, one can obtain a balanced intake of essential amino acids, similar to that provided by complete protein sources like soy. This combination exemplifies the concept of complementary proteins, where two or more plant sources together provide a full profile of essential amino acids. This practice is crucial particularly for vegetarians or those on restricted diets to ensure they receive a balanced nutrient intake. Traditional diets intuitively incorporate this knowledge, highlighting the importance of dietary diversity especially in plant-based nutrition.

What hypothesis did the researchers test in this study?
A. Reproductive isolation increases with geographic distance between dusky salamander populations.
B. Dusky salamanders are in the process of speciation.
C. Dusky salamanders are undergoing sympatric speciation.

Answers

Answer:

A. Reproductive isolation increases with geographic distance between dusky salamander populations.

Explanation:

The researchers tested the reproductive isolation of pairs of salamander population by leaving one male and one female together and later check the females for the presence of sperm. They think that when populations become geographically isolated, preventing mating between individuals in different populations and thus stopping gene flow. They studied different populations on different mountains.

Final answer:

The researchers tested the hypothesis that reproductive isolation increases with geographic distance between dusky salamander populations, suggesting a pattern of allopatric speciation.

Explanation:

In this study, the researchers appeared to test the hypothesis that Reproductive isolation increases with geographic distance between dusky salamander populations. In terms of evolution and speciation, this would suggest a possible pattern of allopatric speciation. Allopatric speciation occurs when populations of the same species become isolated due to geographic barriers. Over time, these barriers lead to genetic divergence and eventually, to the formation of new species. It is important to note that hypothesises B and C, which suggest in-process speciation or sympatric speciation, may not be mutually exclusive with hypothesis A, but rather could be seen as sub-sections of the overall process of speciation.

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Scientists use a standardized taxonomic system to separate organisms into hierarchical groups based on similarities and differences in their structural and genetic characteristics.

Which of the following best explains why a standardized classification system is important to the scientific community?
It allows different kinds of organisms to be easily identified based on their characteristics.

Answers

Answer:

Option B, It allows different kinds of organisms to be easily identified based on their characteristics

Explanation:

Options for the question are

It provides a detailed evolutionary history of all the known organisms on Earth It allows different kinds of organisms to be easily identified based on their characteristics It allows scientists to group organisms based on their personal preference It prevents people who are not scientists from studying and identifying organisms. It allows scientists to to group organisms based on their personal preference It prevents people who are not scientists from studying and identifying organisms ​

Solution

A standardized taxonomic system provides a common basis for the entire scientist community to identify and classify organism on common grounds and hence leading to a standardized organism classification across the globe.  

This also groups organisms into different kingdoms, taxas and classes with defined hierarchy and description of shared traits and characteristics. It also provides scope for inclusion of newly discovered species thereby making the standardized taxonomic system flexible  

Hence, option B is correct

Answer:

b

Explanation:

i got it right on SI

Jack and Jill have been studying a population of lizards on a hillside for over three decades. Throughout this time, they have noticed that some of the lizards have begun to eat vegetation, but the majority of the population continues to eat insects. Based on what you know about natural selection, what do you predict will happen?

Answers

Answer:

These few lizards who eat vegetation will be able to survive and reproduce better than those who eat insects. Since for the most part don't have to compete for resources with other lizards they have a better chance for survival than those who eat insects.

The lizards observed by Jack and Jill, some of which have begun to eat vegetation, might be undergoing an evolutionary adaptation due to natural selection. If the vegetation-eating trait offers a survival and reproductive advantage, we can expect an increase in the proportion of vegetation-eating lizards over generations, assuming environmentally favorable conditions for this trait.

Based on what we know about natural selection, the adjustments observed in the lizard population on a hillside where some have begun to eat vegetation while most continue to eat insects suggest the beginning of an evolutionary adaptation process. Natural selection operates on the principle that individuals with traits better suited for their environment are more likely to survive, reproduce, and pass these advantageous traits to their offspring. Over time, this can lead to significant changes within a population, ultimately resulting in the evolution of the species to better adapt to its environment.

In the case of Jack and Jill's lizards, if the vegetation-eating behavior proves to be an advantageous trait (for instance, if insect populations decline or competition for insects increases), we can predict that the number of vegetation-eating lizards will progressively increase over future generations. This increase would occur because these lizards would have a survival and reproductive advantage over those that rely solely on insects for food. Conversely, should the environment not favor this trait, the impact on the population may be minimal.

It's essential to consider additional factors such as mutation, migration, and the role of genetic variation in this process. Natural selection does not act in isolation but in concert with these factors to shape the evolutionary path of a species.

Drugs that have the same effect as acetylcholine, which causes the pupil to constrict, are called __________ drugs.

Answers

Answer:

The correct answer is cholinergic drugs.

Explanation:

Cholinergic drugs refer to a broad variety of drugs that works on the parasympathetic nervous system. These drugs function by increasing the activities of acetylcholine, which is a chemical messenger or a neurotransmitter in the brain. The influences of upsurged acetylcholine are regarded as the everyday function of the body like digestion, salivation, relaxation of skeletal muscle, and constriction of pupils.  

The cholinergic drugs function by preventing the enzyme, which dissociates acetylcholine, and results in the production of naturally occurring acetylcholine that lasts for a prolonged time.  

In exploring for coal deposits, geologists sometimes look for fossil indicators: fossilized remains of Carboniferous plants. Which of the following combinations in a sample would suggest the presence of rocks that might bear coal beds?

1. mosses and liverworts, but no vascular plants
2. angiosperms and mosses
3. lycophytes and gymnosperms
4. lycophytes and tree ferns

Answers

Answer:

During the carboniferous there is a proliferation of plants such as lycopodia and ferns. Theirs remains have generated large carbon deposits worldwide. These experimental plants reach their maximum richness and diversity during the Carboniferous (300-350 million years).

The diagram below shows a strand of DNA matched to a strand of messenger RNA.

What process does this diagram represent?

Select one:
a. mutation
b. transcription
c. respiration
d. translation

Answers

The answer is B. Transcription

b. Transcription process does this diagram represent.

What is a DNA strand comprised of?

DNA is made up of basic building components known as nucleotides. These building blocks are composed of three components: a phosphate group, a sugar group, and one of four kinds of nitrogen bases. Nucleotides are joined into chains and their phosphate and sugar groups alternate to produce a DNA strand.

DNA is made up of two connected strands that loop around each other to form a twisted ladder — a configuration known as a double helix. Each strand contains a backbone composed of alternating sugars (deoxyribose) and purines. Each sugar has one of four bases attached to it: adenine (A), cytosine (C), guanine (G), or thymine (T).

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Which endocrine glands arouse the body, regulate salt balance, adjust the body to stress, and affect sexual functioning?

Answers

Hope this helps

Endocrine glands whose hormones arouse the body, regulate salt balance, adjust the body to stress, and affect sexual functioning. The outer layer of the adrenal glans; produces hormones that affect salt intake, reactions to stress, and sexual development.

The adrenal glands are crucial for arousing the body, regulating salt balance, adjusting to stress, and affecting sexual functioning by producing hormones like epinephrine and norepinephrine, which activate the body's fight-or-flight response.

The endocrine glands that play key roles in arousing the body, regulating salt balance, adjusting the body to stress, and affecting sexual functioning are the adrenal glands. These glands are located atop each kidney and produce hormones crucial for the body's response to stress such as epinephrine (adrenaline) and norepinephrine (noradrenaline). These hormones stimulate the sympathetic division of the autonomic nervous system (ANS), causing increased heart and lung activity, dilation of the pupils, and a boost in blood sugar levels, giving the body a surge of energy.

Furthermore, the adrenal glands contribute to the regulation of salt and water balance via the secretion of mineralocorticoids like aldosterone. They are also involved in metabolism, the immune system, and sexual development and function. This highlights the integral role of the adrenal glands in managing responses to external threats and stress, maintaining fluid and electrolyte balance, and supporting sexual health.

A/An ________ is a location column that receives information about all possible orientations within a given area of the retina.

Answers

Answer:

hypercolumn

Explanation:

The hypercoloumn consists of a group of neurons in the cortex of the brain that receives information of an object from the left and the right eye and interprets the orientation of such objects. The hypercolumn which are located across the surface of the primary visual cortex allows us to see objects or pictures as one as presented in a given area of the retina. The hypercolumn can also be referred to as cortical column.

A middle-aged client with a 30-year history of smoking was diagnosed with lung cancer. A health history revealed previous exposure to air pollution, asbestos, and radiation. Which of the following most likely had the greatest impact on development of the lung cancer?

Radiation
Cigarette smoke
Asbestos
Air pollution

Answers

Answer:

The correct answer is- cigarette smoke

Explanation:

Cigarette contains tobacco and tobacco contains 7000 chemical out of which 250 are harmful and 69 are cancer-causing. People who smoke cigarettes are at 15-30 times higher risk of getting lung cancer than a person who does not smoke a cigarette.  

So as a middle-aged client has a 30-year history of smoking therefore smoking is most likely had the greatest impact on the development of lung cancer. Therefore the correct answer is cigarette smoke.

Answer: Cigarette smoking

Explanation:

The cigarette smoking is most likely the `reason for the person to suffer from lung cancer.

The smoke of the cigarette is very harmful as it can damage the lungs. The cigarette consists of tobacco which contains many carcinogenic agents in it.

Being exposed to radiation, asbestos and pollution is less harmful as compared to the smoke of the cigarettes.

The client who has a history and is susceptible to the lung cancer should keep a distance from cigarette smoking.

Based upon the changes in permeability seen in the trace below and your knowledge of ion distributions across a cell, predict how ion movements would change during an action potential. Drag and drop each phrase into the appropriate box on the action potential trace.

Answers

1. Sodium ions move into the system.

2. Sodium ions stop moving into the system.

3. Potassium ions move out of the system.

4. Potassium ions move into system.

Explanation:

The picture given is a picture of the neuron polarization and depolarization.

In the 1st phase of the graph, the graph seems to peak up to high values of electric potential differences which is because as the impulse is received by the system the sodium channels of the axon open. This leads to free flow of sodium inside the axon. This depolarises the axon membrane.

As the peak potential of 30mV is met, the sodium channels close. And the potassium channels open up. This leads to the exit of potassium channels out of the axon and the potential drops. This phase is called repolarisation.

The potassium channels are slow channels and they don't close even when the base potential is met. So hyper polarization occur. And finally the potassium channels close and the sodium potassium ATPase starts working bringing potassium inside the axon and sodium outside the axon.

Five-year-old Lilah is beginning to show signs of being able to plan ahead in a somewhat rational manner. At her age, this development is likely due to neural networks sprouting in her _____ lobe.

Answers

Answer:

ear

Explanation:

Final answer:

Lilah's ability to plan ahead is associated with the development of neural networks in her frontal lobe, which rapidly grows and develops during early childhood and is responsible for advanced cognitive functions.

Explanation:

Five-year-old Lilah is beginning to show signs of being able to plan ahead in a somewhat rational manner. At her age, this development is likely due to neural networks sprouting in her frontal lobe. The size of the brain increases rapidly during early childhood, and by age six, it reaches approximately 90% of its adult size. During the ages of 3 to 6, the frontal lobes, in particular, grow rapidly and are responsible for planning, reasoning, memory, and impulse control. These lobes are still developing throughout adolescence, and their growth is closely connected with cognitive advancements following Piaget's sequence of cognitive development. The process is aided by the development of myelin, which serves to insulate nerve cells and speed up impulse transmission, thus enhancing neural pathways and cognitive functions such as planning and coordination.

An anthropologist has just arrived at a new field site and feels overwhelmed with a creepy, profound feeling of alienation, of being without some of the most ordinary, trivial (and therefore basic) cues of his culture of origin. What term best describes what he is experiencing? culture shock diachrony synchrony configurationalism agency paralysis

Answers

Answer:

The correct answer is - culture shock.

Explanation:

Culture shock is an experience a person or anthropologist may have when one transfer to a cultural environment that is distinct or vary from their own culture.

The anthropologist in this question is experiencing alienation feeling, trivial when he move to new field site, he is experiencing cultural shock. It is also cause disorientation a person.

Thus, the correct answer is - culture shock.

Assume that an Aa animal produces four sperm from the same meiosis. A geneticist examines each of the four products of this meiosis and finds that one of them carries the a allele, one carries the A allele, one carries both the A and a alleles and one has neither allele. This result is not consistent with which genetic concept?

Answers

Answer:

The correct answer is - principle of segregation.

Explanation:

The principle of segregation explains that the in what manner pair of gene type or alleles are separated into sex or reproductive cells. These variants are known as the gene alleles. These are first studied by the Mendel as the traits in 1865. In this case the results are not consistent with this principle of segregation concept.

Thus, the correct answer is - principle of segregation.

Other Questions
Which social study skill is important because it allows historians to sequenceevents?A. Linguistic analysisB. Chronlogical thinkingC.History as common as spatial reasoningD.Scientific method Article III, section 1 of the Florida Constitution reads, "The legislative power of the state shall be vested in a legislature of the State of Florida, consisting of a senate composed of one senator elected from each senatorial district and a house of representatives composed of one member elected from each representative district." This provision accomplishes which goal of constitutions?Select one:A. limiting government powerB. providing a framework for governmentC. protecting individual rightsD. providing for a free press What construct is metaphorically growing as sport scandals are becoming increasingly more public, due to the influence of viral videos and other media? An anhydrous (water removed) salt has a formula mass of 160.167 g/mol. If the hydrated version of the salt has 8 mol of water associated with it, what is the mass % of water in the hydrated salt? Report your answer to three digits after the decimal. What is the balanced chemical equation for the word equation below? Iron and oxygen react to form iron III oxide. An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What raw score corresponds to the 70th percentile? A solution of benzene and toluene at 25 C exerts a total vapor pressure of 66.6 torr. What is the mole fraction of benzene in the vapor phase? The vapor pressures of pure benzene and toluene at 25 C are 94.2 torr and 28.4 torr, respectively. 0 The study of the relative power and limits of genetic and environmental influences on behavior is called _____. What is the distance of what Bob traveled and whats the displacement while bob was traveling.(im getting the image)i need help please. 2 PointsThe Reconstruction Amendments were passed to:OA. end the Civil War and rebuild the Union.OB. reinterpret the equal protection clause.OC. abolish slavery and protect the rights of former slaves.OD. readmit the Southern states to the United States. Suppose the equilibrium price of textbooks is $40 a textbook. At that price, quantity of textbooks demanded and supplied is 20,000. If a $5 tax per textbook paid by producers increases the price paid by consumers to $42 a textbook and reduces equilibrium quantity sold to 18,000, then:A. elasticity of demand is 0.89. Consumers pay a larger portion of the tax.B. elasticity of demand is 0.46. Consumers pay a smaller portion of the tax.C. elasticity of demand is 2.16. Consumers pay a larger portion of the tax.D. elasticity of demand is 2.16. Consumers pay a smaller portion of the tax What was one major consequence of Archduke Franz Ferdinand'sassassination?OA. Great Britain declared war on Austria-Hungary and the other TripleAlliance states.OB. Germany broke its military alliance with Austria-Hungary and sidedwith Serbia.Oc. The Serbian government arrested and executed several prominentSerb nationalists.OD. Austria-Hungary threatened to invade Serbia to root out Serbnationalist groups. Draw 2 supplementary angles. One angle is x-15 degrees and one is 2x degrees. What is the value of x in degrees? In one study described in the textbook, Dewar and colleagues (2012) examined participants' retention of newly-learned material. Some participants experienced a 15-minute period of waking rest after learning the material. Other participants played a game after learning. The authors concluded that the waking-rest participants outperformed the games participants because:________. Using the provided political cartoon, what would be the result of the United States continuing to lend weapons to Great Britain?A)Japan losing the war.B)German neutrality in the war.C)Great Britain winning the war.D)American involvement in the war. a) they(watch) TV last night When an economist talks about utility, she is talking about A. a company that provides electricity, water, gas, etc. B. the satisfaction, in terms of price, that a producer receives from selling his product C. the amount of one good that a person is willing to give up in order to get a unit of another good D. the satisfaction that results from the consumption of a good E. the satisfaction that results from the consumption of a good minus the price that must be paid to get the good all of the terms listed below are sediment transporting agents EXCEPT:A.) - StratificationB.) - glacial iceC.) - Stream waterD.) - Windstorm Part Three: Neighboring WSU dropped their tuition and fees by 14 percent and TTA saw enrollment fall from 8,400 to 7,400. What is the cross elasticity between the two schools.? Which of the following is true of all populations of living things?O all populations produce too many offspringmost offspring live to maturityall populations grow over timeO resources in the environment increase over time