Answer:Crossing over during prophase I of meiosis occurs between alleles on sister chromatids View Available Hint(s) Crossing over during prophase I of meiosis occurs between alleles on sister chromatids True False Part B Which of the following statements about gamete formation during meiosis is false? View Available Hint(s)
Explanation:
Crossing over during meiosis I occurs between non-sister homologous chromatids, resulting in new allele combinations. The statement that parental gametes can only be formed with no crossing over is false. With complete linkage, the expected F2 phenotypic ratio from a selfed heterozygote is 3:1.
This exchange of DNA results in new combinations of alleles on the resulting chromosomes and is a crucial factor in the genetic diversity among offspring. Regarding gamete formation during meiosis, the statement that is false is: "Parental gametes can be formed only if there is no crossing over during meiosis." This is incorrect because it is possible to have parental gametes formed even if crossing over occurs, provided that the crossover does not involve genes that are linked. If two genes on the same chromosome exhibit complete linkage, the expected F2 phenotypic ratio from a selfed heterozygote with the genotype a+b+//ab is 3:1. Complete linkage means that the alleles for both genes are always inherited together because they are on the same chromosome and there is no recombination between them.
Column C: What is the source of the organism’s energy? What does it eat? (There could be many, but just list one or two.)
cactus
sage brush
annual flowers
ants
beetles
chuckwalla
kangaroo rats
tarantulas
scorpions
common king snake
Gila monster
fox
hawk
turkey vulture
bacteria
Answer:
The answer is light for the plants but they dont eat they make there own energy
Explanation:
Which statement best describes an organism's life cycle?
The longer the life cycle, the larger the organism.
The shorter the life cycle, the larger the organism.
The longer the life cycle, the less the chance of reproduction.
The shorter the life cycle, the greater the chance of reproduction.
Answer: A. The longer the life cycle, the larger the organism
Explanation:
Small animals ot insects usually die quickly, take a tree frog for instance it only lives for 5 years compared to an orca whale who live for 50-80 years. In conclusion, the larger the organism longer the life cycle.
The longer the life cycle, the larger the organism best describes an organism's life cycle and is denoted as option A.
What is Life cycle?
This is defined as series of changes in form that an organism undergoes, returning to the starting state.
The longer the life cycle, the larger the organism as it will take more time for development in bigger organisms.
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Which of the following characteristics is not attributed to the sympathetic division of the ANS?
A) It originates in the thoracolumbar region of the spinal cord
B) It has a long postpanglionic fibers
C) It has a long preganglionic fibers
D) Its glangia are adjacent to the spinal column
E) It has an extensive neural divergence and a relative widespread effect
Answer:
C) It has a long preganglionic fibers
Explanation:
Peripheral nervous system (PNS) is the nervous system that contains nerves and ganglia outside the central nervous system (CNS). PNS is divided into:
somatic (voluntary) nervous system-controls the movements of the skeletal musclesautonomic (involuntary) nervous system-controls the smooth muscles and glands and thus it is the regulator of the major body functions. It is subdivided into tree groups:sympathetic ("fight and flight") system-responsible for stressful and active situations (but also in normal conditions);contains short preganglionic fibers and long postganglionic fibers.parasympathetic ("rest and digest") system-opposite to sympathetic, responsible for the maintenance of body's activities at rest.enteric nervous system-controls the function of the gastrointestinal tract.A cold transmitted by a facial tissue is an example of fomite. vehicle transmission. droplet transmission. vector. direct contact.
Answer:
D) Direct Contact
Why?
In this situation someone having a cold, and using a facial tissue can result in someone else throwing or moving the facial tissue away. Thus, the bacteria from the tissue touches the person. Either resulting in the person having the same cold or an advanced cold.
Explanation:
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Human skin cells, hair, clothing, and bedding are typical hospital contaminants.Fomites are particularly linked to hospital-acquired infections (HAIs), as they can act as a conduit for the transmission of germs from one patient to anothe.Neckties and stethoscopes are typical symbols of healthcare professionals.
Which of the following is a Fomite?
When an infected individual sneezes or coughs, infectious droplets are released into the air and cause indirect contact diseases to spread.People who are healthy run the danger of getting sick if they inhale the infectious droplets or if the contaminated droplets get in their eyes, nose, or mouth. Fomites include things like infected tools, garments, buckets, bowls, brushes, tack, and clippers. an item that could be infected with infectious substances (such bacteria or viruses) and be used to spread them, such as a dish, doorknob, or piece of clothing. When a disease spreads from one sick individual to another without direct touch between the two, this is known as indirect transmission.It takes another organism to spread a disease from animal to human or from human to human in a vector transmission scenario. Direct touch, droplets, a vector like a mosquito, a vehicle like food, or the airborne route are all possible modes of transmission. The use of one of the three forms of transmission-based precautions—contact, droplet, or airborne—depends on how a particular disease is spread. The five basic ways that germs spread include direct contact, fomites, aerosol (airborne), oral (ingestion), and vectorborne.Some microbes have multiple ways of spreading. A pathogen is indirectly conveyed from a reservoir, source, or host to another host by biological products such as blood, serum, plasma, tissue, or organs during a vehicle-borne medical transmission process. In a car, a transmission, often known as a gearbox, serves as the conduit through which engine power is transferred mechanically through gears and gear trains to the wheels.Without a transmission, a person cannot apply power to a vehicle in a controlled manner; otherwise, the automobile cannot move.To learn more about fomite refer
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In the cells of all human females, one X chromosome is inactivated. The opsin1 gene is on the X chromosome and is expressed in the retinal cells of the eye. Mutations in this gene cause the recessive trait of colorblindness. Most women who have one mutant allele of the opsin1 gene and one normal allele of the opsin1 gene (they are heterozygous) can still see color. What is the most likely explanation for this finding? a. The X with the mutant allele of the opsin1 gene is more likely to be inactivated because of the opsin1 mutation. b. Any mutations in the opsin1 gene on the active X can be corrected through genetic exchange (recombination) with the inactive X. c. If the active X has the mutant allele of opsin1 gene, the inactive X with the normal allele will be reactivated. d. Some retinal cells will have an active X with the mutant allele of the opsin1 gene, and some will have an active X with the normal allele of the opsin1 gene.
Answer:
d. Some retinal cells will have an active X with the mutant allele of the opsin1 gene, and some will have an active X with the normal allele of the opsin1 gene.
Explanation:
X-inactivation (or silencing of X chromosome) is a process that occurs in females in order to prevent females from having twice as many X chromosome gene products as males. It occurs randomly during the embryonic development. Another important characteristic of X chromosome inacativation is that it occurs on a cellular level which leads to mosaic expression. This means that some cells will have an inactive maternal X-chromosome and some inactive paternal X-chromosome.
Several factors affect an organism's ability to fossilize. Which environment would increase the chance of fossilization? A) erosive environment B) immense sediment-sized C) high energy environment D) depositional environment
Answer:
you wrong it (D)
Explanation:
The environment that would increase the chance of fossilization is known as the depositional environment. Thus, the correct option for this question is D.
What is Fossilization?Fossilization may be defined as the physical, chemical, and biological processes that significantly lead to the preservation of plant and animal remains over time. They are eventually the remains or traces of ancient life that have been preserved by natural processes.
The remains of organisms are typically only fossilized in depositional environments where the process of sedimentation and therefore burial is more frequent.
Examples of common depositional environments are lakes, river deltas, and ocean basins. The burial process isolates the remains from the biological and physical processes that would otherwise break up or dissolve the body material.
Therefore, the environment that would increase the chance of fossilization is known as the depositional environment. Thus, the correct option for this question is D.
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Explain why c02 levels in the atmosphere are lower in spring/summer than in fall/winter. Show evidence
Among what trees do is take in CO2 and give out O2.
During spring/summer, there are more trees (living) than in fall/winter.
So, there is less CO2 in the atmosphere in spring/summer.
A client requiring long-term ventilator management is discharged from the health care facility. which health care setting should this client be referred to
Answer:
The correct answer is - intermediate care facility.
Explanation:
Intermediate care facilities are the care units that provide health services or health care to the patients who require care and services due to their mental and physical condition, which is supervised by physicians and nurse however they do not need, skilled nursing staff.
It is called intermediate care because it is the care between intensive and basic care where at least a registered nurse is supervising the patient.
Thus, the correct answer is - intermediate care facility.
Which stage of meiosis begins with the synchronous splitting of the centromeres, which hold the sister chromatids together, allowing the chromosomes to move toward opposite poles of the cell?
Answer:
Anaphase II
Explanation:
54)
A student is studying a process in which a diploid cell becomes haploid. Which of these shows the CORRECT mathematical model for the process if Nnew is the number of chromosomes in the haploid cell and Nold is the number of chromosomes in the diploid cell?
A) Nnew = 2·Nold
B) Nnew =
Nold
2
C) Nnew = Nold + 2
D) Nnew = Nold × 2
Answer:
B
Explanation:
A haploid cells has the number of chromosomes that is the number of chromosomes of a diploid cell divided by two.
Answer:
I agree, the answer is b
Explanation:
Two cells have the same volume but significantly different surface area values due to differences in their shapes. The cell with the greater surface area is likely to
a) be more spherical in shape compared to the other cell
b) have a very low metabolic rate compared to the other cell
c) have fewer microvilli than the other cell
d) take in nutrients more rapidly than the other cell
Answer:
Explanation:
All cells share four common components: 1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; 2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; 3) DNA, the genetic material of the cell; and 4) ribosomes, particles that synthesize proteins. However, prokaryotes differ from eukaryotic cells in several ways.
A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle. We will shortly come to see that this is significantly different in eukaryotes. Prokaryotic DNA is found in the central part of the cell: a darkened region called the nucleoid.
In nature, the relationship between form and function is apparent at all levels, including the level of the cell, and this will become clear as we explore eukaryotic cells. The principle “form follows function” is found in many contexts. For example, birds and fish have streamlined bodies that allow them to move quickly through the medium in which they live, be it air or water. It means that, in general, one can deduce the function of a structure by looking at its form, because the two are matched.
Answer:
The answer on FLVS is take in nutrients more rapidly than the other cell. It might be D but they switch it up for different ppl so check 1st. My answer choice was D.
Explanation:
I took one for the team yw. 100 percent correct.
Catabolism, Enzyme, Metabolism, Nutrition, Anabolism, 1. Nutrients1. the proper supply of nutrients essential for growth, reproduction, repair, immunity, and energy 2. the conversion of nutrients into energy 3. cell converts nutrients into energy or materials for growth, repair, reproduction, and maintenance 4. the process by which the cell uses nutrients to repair or build new tissues 5. chemical substances that are absorbed by the body through the process of digestion 6. molecule responsible for facilitating biochemical reactions within the body
I suppose it's matching?
Answer:
Catabolism: The conversion of nutrients into energy.Enzyme: A large protein molecule responsible for facilitating biochemical reactions within the body.Metabolism: The process by which a cell converts nutrients into energy or materials for growth, repair, reproduction, and maintenance.Nutrition: The proper supply of nutrients essential for growth, reproduction, repair, immunity, and energy.Anabolism: The process by which the cell uses nutrients to repair or build new tissues.Nutrients: Chemical substances that are absorbed by the body through the process of digestion.Hope this helps and have a great day!!!
[tex]Sofia[/tex]
*btw, just had this!
Nutrition, metabolism (encompassing catabolism and anabolism), and enzymes all interact as part of the body's system for obtaining and using energy. Enzymes facilitate the catabolism of substances to create energy, and the anabolism of cell components using this energy.
Explanation:The terms Catabolism, Enzyme, Metabolism, Nutrition, and Anabolism are all related to how the body gains, uses and stores energy. Nutrition refers to the intake of food and how the body uses the nutrients from this food for functions like growth, reproduction, and energy. Metabolism is the overarching term for all the chemical reactions in the body, and encompasses both catabolism and anabolism.
Catabolism is the part of metabolism where the body breaks down substances to harvest energy, and is facilitated by enzymes. On the other hand, anabolism uses this energy to build up components of cells such as proteins and nucleic acids. Moreover, enzymes are molecules, mostly proteins, that speed up biochemical reactions in the body, such as those in the catabolic and anabolic processes.
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You are a wildlife ecologist interested in finding out if Toxoplasma gondii impacts the predator/prey relationship of the Canada lynx and snowshoe hare. If it does, which of the following would be true? You are a wildlife ecologist interested in finding out if Toxoplasma gondii impacts the predator/prey relationship of the Canada lynx and snowshoe hare. If it does, which of the following would be true? The parasite would affect the brain of the lynx. The parasite would not affect the brain of the lynx or the brain of the hare. The parasite would affect the brain of the lynx and the brain of the hare. The parasite would affect the brain of the hare.
Answer:
The parasite would affect the brain of the lynx and the brain of the hare
Explanation:
Toxoplasma gondii is a parasite that is able to infect pretty much every warm blooded animal on the planet. It is an obligate intracellular parasitic one-celled eukaryote. This parasite manages to cause the infectious disease known as toxoplasmosis which damages the brain. The hare is a warm blooded animal, and it can be infected by this parasite. If the hare is infected and a Canadian lynx kills that particular hare and consumes it, then the lynx will also be infected with the parasite. The parasite will cause damage to the lynx's brain which will result in the dying of that lynx.
How does the pressure of blood in the arteries affect the flow of blood from the heart to the tissue?
Answer:
The arteries are the large blood vessels that carry blood from the heart to all the organs and muscles of the body, to give them the energy and oxygen they need. The arteries manage the flow of blood by controlling the speed and direction it flows in. Opening and closing different arteries affects your blood pressure
Discuss the evidence from the skeletons and teeth of early agriculturalists. then describe the negative consequences of a shift from food foraging to the domestication of food in terms of pathologic (disease) evidence.
of what? what subject
Consider the results of the weathering experiment and review the climatic data for the world biomes. Based on the recorded data, compare the rate of weathering you would expect to see in the taiga versus the tropical rain forest.
A) Weathering would be comparable in both biomes; different types of weather would take place.
B) Weathering would take place at a slower rate in the taiga because of the lower temperatures.
C) Weathering would take place at a much more rapid rate in the tropics because of the humidity.
D) Weathering in the taiga would be only physical; weathering in the tropics would be physical and chemical.
Answer:
c
Explanation:
im not sure but its the only one that makes sences
Dna polymerase fails to recognize that an incorrect nucleotide has been incorporated, resulting in a mismatch. which repair pathway will correct this mistake?
Answer:mismatch repair
Explanation:proof reading is a process through which the mistakes that were made during the process of replication of DNA are corrected and if they are corrected after replication of DNA the process is called mismatch repair .
DNA Mismatch repair also called as MMR is a system for recognizing and repairing the DNA for unwanted insertion, deletion, and mis-incorporation of bases that can arise during DNA replication and recombination, as well as repairing some forms of DNA damage.
The repair pathway that corrects mismatches caused by the failure of DNA polymerase to recognize an incorrect nucleotide is known as mismatch repair. Specific enzymes identify and correct the errors to maintain genetic stability.
Explanation:When DNA polymerase fails to recognize an incorrect nucleotide resulting in a mismatch, the repair pathway that corrects this mistake is known as mismatch repair. This process involves specific repair enzymes that scan the newly synthesized DNA for errors. In bacteria like E. coli, the parental DNA strand is distinguished from the newly synthesized one by methyl groups, allowing the repair enzymes to identify and correct errors on the non-methylated strand. In eukaryotes, the exact mechanism of mismatch recognition is not well understood, though it may involve identifying unsealed nicks in the new strand and association with replication proteins.
If errors are not corrected by mismatch repair, it can lead to more permanent damage when the DNA is replicated again. This system serves to greatly reduce the error rate of DNA replication, improving genetic fidelity and thereby contributing to maintaining the stability of the organism's genome.
A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?
a. As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen.
b.The cells will never run out of oxygen if the weightlifter is breathing.
c.As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.
d.As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.
Answer:
The correct option is A.
Explanation:
Humans need energy to do work. The energy is normally obtain from the chemical energy that is derived from consumed food. During performance of physical activities, the amount of energy needed by the working muscles usually increases and this typically leads to fast depletion of energy. In order to augment the rapidly depleting energy, the muscle cells switch to anaerobic breakdown of glucose, which produce carbon dioxide and alcohol and a little quantity of energy, which the working muscles can use.
During a weightlifting competition, muscles switch to anaerobic respiration when oxygen supply is insufficient, leading to less efficient production of ATP and the accumulation of lactic acid, which contributes to muscle fatigue.
Explanation:The scenario described involves a weightlifter competing in an event, in which the muscles quickly require a large amount of energy and experience a shortage of oxygen. Under these conditions, the muscles switch to anaerobic respiration, which leads to the production of ATP without the use of oxygen. This energy-producing process is much less efficient than the oxygen-dependent aerobic respiration, resulting in a limited amount of ATP and the accumulation of lactic acid, which is associated with muscle fatigue.
As the weightlifter performs, the initial supply of ATP from stored sources and creatine phosphate is rapidly used, then the muscles rely on glycolysis to supply further ATP. However, because the rate of ATP production through glycolysis is slower than through creatine phosphate, and less efficient without oxygen, this leads to quicker fatigue. Moreover, the production of lactic acid during this anaerobic process can contribute to the sensation of fatigue and soreness in the muscles.
What must first occur for transcription to begin? mRNA moves the code from the nucleus to the ribosome for protein production. A gene is expressed through protein production. RNA polymerase attaches to the promoter. A repressor protein must attach to the operator.
Answer:
RNA polymerase attaches to the promoter
Explanation:
Transcription is the process of synthesis of RNA using DNA as template. RNA polymerase enzyme binds to promoter region of the gene and starts making RNA strands that has complementary nucleotide sequence to DNA template strand. The process stops as the enzyme RNA polymerase encounter terminator sequence of gene.
The first step for transcription to begin is initiation, where the RNA polymerase enzyme attaches to the promoter on the DNA molecule. This process triggers the start of transcription and allows for the synthesis of the mRNA transcript.
Explanation:Transcription in biology begins with the process called initiation. During initiation, a specific region on the DNA molecule, known as a promoter, triggers the start of transcription. The RNA polymerase enzyme attaches to the promoter and begins reading the DNA template, synthesizing the mRNA transcript in a 5' to 3' direction.
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A microbiologist is working with two genera of bacteria, A and B, to determine if cells are competent. Strains are grown under optimal conditions, and DNA fragments that carry the gene for green fluorescent protein is added to each culture at 20-minute intervals. Samples from each treatment are plated to nutrient agar and incubated, after which the plates are examined under an ultraviolet lamp. The microbiologist observes that all plates of bacteria B contain colonies that are fluorescent, while for bacteria A only the plates from stationary phase demonstrate fluorescent colonies. What can be concluded from these results?
Answer:
it would be an observation
Observation in scientific process refers to gathering facts and information. In this particular context, we could see that the microbiologist is simply stating what he/she saw on the mold on the agar plate. The microbiologist simply writing down all the facts without making any explanation or assumption.
Explanation:
VWhat is the role of the beaver in its ecosystem? A) It is a foundation species and the main source of food for the natural predators of its ecosystem. B) It is a keystone species that modifies its natural environment by damming streams to form wetlands. C) It is a dominant species, as it has the greatest number of individuals among all the mammalian species of its ecosystem. D) It is an endangered species as it has the least number of individuals among all the mammalian species of its ecosystem.
c, is correct answer i think
Final answer:
Beavers are a keystone species in their ecosystem, creating wetlands by damming streams which enhances biodiversity by providing diverse habitats for various species.
Explanation:
The role of the beaver in its ecosystem is best described as a keystone species that significantly modifies its environment. By damming streams to create wetlands, beavers play a critical role in enhancing biodiversity. These actions not only alter the flow of water but also spread and store it efficiently, creating a diverse range of habitats for various plant and animal species. This behavior underlines the importance of beavers in ecosystem dynamics, similar to how the reintroduction of wolves to Yellowstone Park dramatically increased biodiversity by altering the behaviors of other species and the physical landscape.
the skull forms a solid sheet of protection and the ribs form a cage. why do you think the rib cage is not a solid sheet like the skull? which offers better protection the sheet or the cage?
I think the the ribs are not a solid sheet because they need to be able to expand so the lungs can get an adequate amount of air in the lungs. The brain just needs to be protected and doesn’t need to expand so it’s a solid sheet. The skull seems to be the better protector at first because the ribs can break and puncture a lung, harming your breathing but if you do hit your head your brain can start swelling and the skull doesn’t allow any room for expansion. Head injuries are much more dangerous, especially if the brain starts swelling. Rib injuries seem much simpler to fix and less dangerous.
The rib cage is not solid like the skull because it needs to allow for breathing movements, protecting the heart and lungs while being flexible due to costal cartilage connections. Both structures provide essential protection for the organs they house, suited to their specific functions.
The rib cage is not a solid sheet like the skull because it provides protection while also allowing for the expansion and contraction necessary for breathing. The skull forms a solid protection for the brain, but the organs protected by the rib cage, namely the heart and lungs, require movement to function properly. The ribs are connected by costal cartilages that are flexible, allowing the thorax's volume to change during respiration.
Comparing the types of protection, both the solid sheet of the skull and the caged structure of the rib cage offer suitable support and protection for the organs they encase. The rib cage must offer a balance between protection and flexibility; thus, it is not solid like the skull but instead is a cage of bones with cartilage that can move. This design helps protect the soft organ tissues while accommodating the movements associated with breathing and cardiovascular function.
Enzymes act like ______ in their role of speeding up reactions.
A water
B pH
C heat
D acid
Answer:
c heat
Explanation:
Enzymes act like (C) heat, as they are both catalysts
Capable of returning to its oringinal shape after a force acting on it is removed
Answer:
Elasticity
Explanation:
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What would most likely occur if the penguin population were to dramatically increase in this food web?
The density of phytoplankton would increase as well.
Elephant seals would show increased reproductive success.
The population size of the krill would decrease.
Squid would get preyed upon by cod more frequently.
Answer:more decrease in fish
Explanation:because that penguins source of food most of the time
Answer: The population size of the krill would decrease.
Explanation:
A food chain is a series of distribution of food and energy when one individual is consumed by the other individual organism. A food web is a complex interconnection of multiple food chains.
According to the given food web, the population size of the krill would decrease if the population of the penguin increased dramatically. As Penguin is the tertiary consumer which is dependent upon the population of krill in the food web for food.
Action potential propagation in a skeletal muscle fiber ceases when acetylcholine is removed from the synaptic cleft. Which of the following mechanisms ensures a rapid and efficient removal of acetylcholine?a) Acetylcholine is degraded by acetylcholinesterase.b) Acetylcholine is transported back into the axon terminal by a reuptake mechanism.c) Acetylcholine is transported into the postsynaptic neuron by receptor-mediated endocytosis.d) Acetylcholine diffuses away from the cleft.
Answer:
a) Acetylcholine is degraded by acetylcholinesterase.
Explanation:
After it binds for its receptor on the plasma membrane of the postsynaptic cell, acetylcholine must be removed in order to prevent repeated stimulation. Acetylcholinesterase is enzyme for the inactivation of acetylcholine, present at all cholinergic synapses. This enzyme hydrolyses acetylcholine and breaks it to the acetate and choline. Choline can be reused for the synthesis of the new acetylcholine molecule so it is taken back into the presynaptic cell.
The rapid and efficient removal of acetylcholine from the synaptic cleft in a skeletal muscle fiber is accomplished by its degradation by acetylcholinesterase. This enzyme breaks down acetylcholine into acetic acid and choline, which is then reabsorbed by the neuron.
Explanation:The mechanism that ensures a rapid and efficient removal of acetylcholine from the synaptic cleft in a skeletal muscle fiber is its degradation by an enzyme called acetylcholinesterase. Once acetylcholine is released into the synaptic cleft, the acetylcholinesterase breaks it down into acetic acid and choline. This halts the action potential propagation by reducing the concentration of acetylcholine, terminating the signal between the nerve and the muscle fiber. The choline is then reabsorbed by the neuron to make more acetylcholine.
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Technician A says that vapor has a fixed volume that remains the same when temperature increases. Technician B says that decreasing the temperature on a vapor will increase the pressure. Who is correct? A. Both Technician A and Technician B B. Technician A C. Technician B D. Neither Technician A nor B
Answer:
B. Technician A
Explanation:
Technician A is right while B is wrong.
Reason being:
Vapour has got no fixed shape nor volume, vapour occupies space and conforms to the shape of its container. The volume of vapour changes with increase in the amount of temperature.
On the other hand a decrease in temperature decreases the pressure of the water vapour.
The molecules forming the vapour shall contract thereby leading to a lower pressure.
Answer:
Answer is D
Explanation:
Page 713......
Unlike a solid, a vapor has NO fixed volume.
Increasing the temperature of a vapor, while keeping the volume confined in the same space, Increases the pressure.
Please help out with these questions!
Thank u!
Answer:
1. B.
2. B.
Explanation:
1. If the man is homozygous recessive, it means it carries two identical, recessive alleles. During meiosis, the alleles will be split, and each sperm cell will have 1 t (recessive) allele.
2. During the separation in Anaphase II, both combinations of BB and bb will be possible.
Hope it helped,
BiologiaMagister
What happens to a noun when you add suffixes such as –like, -ous, -ly, or –ish?
The noun becomes an adverb.
Answer:
Yes, the noun becomes an adverb
Explanation:
Docetaxel is a drug that is used in the treatment of cancer. It interferes with cell division by inhibiting microtubule depolymerization. Specifically, what effect will this have on mitosis?
Answer:
Prevention of sister chromatids' separation during anaphase.
Explanation:
During the anaphase, the chromosomes moves toward poles. This process is It is accompanied by shortening of the kinetochore microtubules and by the depolymerization of spindle microtubules at the two spindle poles.
So when docetaxel is introduced the anaphases' processes are stopped.