Answer:
forming
Explanation:
Team development is a process wherein different individuals come together and learn to work efficiently to carry out a specific task.
There are certain stages that a team goes through during the development phase and these are:
1. Forming
2. Storming
3. Norming
4. Performing
5. Adjourning
The stage of team development where the different members get to know each other and orient themselves concerning each other's space is known as forming. This is a stage where they get acquainted with each other and explore and learn the ideas fo different team members.
Since in the given situation the scientists and dentists are holding a team meeting to get acquainted with each other and formally introducing themselves, the team is currently in the development stage of forming.
the bone marrow of the skeletal system produces lymphocytes which belong to what system
Answer: Immune system
Explanation:
Lymphocytes are a class of white blood cells (leukocytes) involved in immune response when activated by the a foreign molecule (an antigen). B lymphocytes develop in the bone marrow of mammals and are responsible for the production of circulating antibodies.
Thus, lymphocytes are associated with the immune system.
Answer: It belongsto the lymphatic system
Explanation: I studied this in the 10th grade.
Which compound plays a pivotal role in both the first and last step of the TCA cycle? a. pyruvate b. oxaloacetate c. oxalate d. glycerol e. acetyl CoA
Answer:
Option b oxaloacetate is the right one.
Explanation:
There are major eight steps in TCA cycle. Oxaloacetate plays a pivotal role in first and eight steps of cycle.
Step 1. In the first step of the citric acid cycle, acetyl CoA joins with a four-carbon molecule, oxaloacetate, releasing the CoA group and forming a six-carbon molecule called citrate.
Step 8. In the last step of the citric acid cycle, oxaloacetate—the starting four-carbon compound-is regenerated by oxidation of malate. Another molecule of NAD+ is reduced to NADH in the process.
(1) Cell membranes (plasma membranes) help organisms maintain__________ homeostasis by controlling what substances may enter or leave cells. (2) Some substances can cross a cell membrane through passive transport, while other substances can only cross a cell membrane through active transport. What is the difference between active and passive cellular transport?
Answer:
Explanation:
Active cellular transport:
It is the movement of molecules against the concentration gradient (from low concentration to high). Active transport requires expense of energy supplied by ATP.It is a rapid way to transport of large sized molecules.Passive cellular transport:
It is the movement of molecules along the concentration gradient (from high concentration to low).Passive transport does not require expense of energy. It is a slow process and small sized molecules get transprorted.The key difference between active and passive cellular transport is the use of cellular energy. Passive transport does not require energy and moves substances from high to low concentration. In contrast, active transport requires energy to move substances from low to high concentration.
Explanation:The difference between active and passive cellular transport lies in the use of cellular energy. Passive transport does not require energy from the cell. Examples of passive transport include diffusion, osmosis, and facilitated diffusion. Substances move from an area of high concentration to an area of low concentration until equilibrium is reached.
Active transport, on the other hand, does require energy in the form of ATP (Adenosine Triphosphate). This is because substances are moved against their concentration gradient, from an area of low concentration to an area of high concentration. An example of active transport is the Sodium-Potassium pump in nerve cells.
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It has been suggested that men in many cultures tend to marry women younger than themselves because men are genetically predisposed to seek female features associated with youthful fertility. This suggestion BEST illustrates:a. social learning theory.
b. behavior genetics.
c. Freudian psychology.
d. an evolutionary perspective.
This suggestion BEST illustrates: an evolutionary perspective.
Explanation:
It has been observed that older men tend to marry younger women and women prefer to marry older and taller men. This could be thought of as a evolutionary perspective because by selecting such mates they make them socially more fit. Because when men marry younger women they tend to stick to the single relationship as per their psychological nature. Again when women marry older men they ensure their safety.
Final answer:
The tendency for men to marry younger women due to attraction to youthful fertility is best explained by an evolutionary perspective (d), which is concerned with behaviors that increase the chances of gene propagation. Evolutionary psychology shows that both sexes have developed particular mate preferences that are advantageous for reproductive success. Sociobiologists emphasize the role of genetic and physical traits as indicators of a suitable mate.
Explanation:
The suggestion that men in many cultures tend to marry women younger than themselves because of a genetic predisposition to seek features associated with youthful fertility best illustrates an evolutionary perspective. This perspective is based on the idea that behaviors and preferences have developed over time to increase the likelihood of passing on genes to the next generation. Men are predisposed to seek multiple relationships with younger women to improve their inclusive fitness, while women tend to select partners who can provide and protect resources, which often correlates with higher socioeconomic status and older age. Evolutionary psychologists have found that preferences for traits such as youth and attractiveness in mates generally align with the needs of reproductive success. This is because such characteristics are indicators of good health and fertility. Men may value physical traits that suggest potential reproductive capacity more than women, who may prioritize the capacity of a mate to provide resources and protection. Sociobiologists and evolutionary psychologists also consider how physical characteristics and genetic traits influence mating strategies and preferences. These biological factors, such as symmetry and sex prototypicality, are seen as evidence of genetic fitness and the ability to produce healthy offspring. Simultaneously, women's preferences are also shaped by cultural factors that emphasize qualities such as love and kindness, which can provide social security and emotional support.
11) algae → water flea → small fish → big fish Use the food chain to answer the question. What would MOST LIKELY happen to the population of the water flea if the algae decreased? A) It would increase. B) It would decrease. C) It would not change. D) It would first increase, then decrease.
Answer: Option B) It would decrease
Explanation:
Since algae is a producer, while water flea is a primary consumer; a decrease in algae infer a shortage of food for the water flea, which therefore begins Intra-specie competition that could lead to starvation and death among the water flea specie.
You fall backeard and hit your head very hard on sharp rock.The blow to your head causes you to lose consciouness and stop breathing.You most likely hot what part of your brain?Cerebellum. Frontal lobe. Brain stem.
Answer:
Brain stem
Explanation:
The cerebellum is key to maintaining balance and coordination, not involuntary actions such as breathing.
The frontal lobe of the brain is responsible for things like emotions, memory, and language. Not breathing and consciousness. Plus, the frontal lobe is at the front of your brain, and you hit the back of your head.
But the brain stem is responsible for breathing, swallowing, heart rate, consciousness, and other involuntary actions your body does.
E. coli grown in the presence of lactose, but absence of glucose, will use the enzyme beta-galactosidase to digest lactose. How are these cells different from cells which are grown in the absence of lactose and presence of glucose
Answer: Lac operon
Explanation: the same cells when grown in glucose media utilize the glucose as source if energy by blocking the activity of the enzyme beta- galactosidase. the operator site of the operon is blocked thereby preventing the activity of the collective functional genes.
E. coli utilizes beta-galactosidase to digest lactose via induction of the lac operon when grown in lactose without glucose. However, in the presence of glucose, where lactose is absent, the lac operon is repressed preventing the production of lactose-utilizing enzymes. This is due to the operon's regulation by a repressor and the presence of catabolite repression through the catabolite activator protein.
Explanation:E. coli cells grown in the presence of lactose but the absence of glucose will create beta-galactosidase to digest lactose because lactose induces expression of the lac operon, which encodes the necessary proteins for lactose utilization, including beta-galactosidase. However, when these cells are grown in the presence of glucose and absence of lactose, the lac operon is kept repressed by a repressor protein as glucose suppresses the lac operon's activity. The repressor protein binds to the operator region of the lac operon, preventing transcription of the operon's genes which include lacZ (encoding beta-galactosidase), lacY (lactose permease), and lacA (transacetylase).
Growth on glucose inhibits the induction of the lac operon due to the presence of catabolite repression by a mechanism involving catabolite activator protein (CAP) and cyclic AMP (cAMP). Once the glucose level drops, cAMP levels rise, allowing cAMP to bind to CAP, which subsequently binds to a site near the lac operon, facilitating RNA polymerase binding and initiating transcription of the operon when lactose is present.
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If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?1. A and D2. B and D3. B and C4. D and E
D and E
Explanation:
As we move from a higher rank to a lower rank in the taxonomic hierarchy, the degree of similarities increases.i.e. the degree of similarities increases from kingdom to species. Species contain the individual who are most similar and can interbreed among themselves.
Since, A , B and C belong to same class while C, D and E belong to same order, the degree of similarity between C,D and E will be more than that of the degree of similarity between A, B and C.
Again since C belongs to the class of A and B ,it will be more distant from D and E.
Thus D and E will be more similar than D and C or E and C.
Where is dense connective tissue found on the surface of a long bone
Answer: In the diaphysis.
Explanation:
The cell cycle is the Select one: a. series of events that cells go through as they grow and divide. b. period of time between the birth and the death of a cell. c. time from prophase until cytokinesis. d. time it takes for one cell to undergo mitosis.
Answer:
A) series of events that cells go through as they grow and divide
Explanation:
Cell cycle refers to the sequential events which take place during the division of one parent cell to daughter cells.
Since the cell divides continuously in the multicellular organism therefore these events are repeated over and over again that is the same steps are repeated a thus is known as cyclic events.
The cell cycle takes place into two phases: the interphase during which the cell prepares itself for nuclear division and the karyokinesis during which the nucleus divides.
Thus, Option-A is correct.
A scientist studies cellular respiration. He measures the rate of cellular respiration in people doing different activities. Which activity will increase cellular respiration the most?
Answer:
Vigorous physical exercise
Explanation:
The question is incomplete and the options are not available anywhere therefore the most appropriate answer would be the physical exercise.
The cellular respiration is the process which oxidises the substances in the food especially the carbohydrates, proteins and fats. This oxidation form the energy molecule called ATP which is used during the various process.
The cellular respiration increase in the body when the body has to require a large amount of energy especially during the moderate to hard or vigorous physical work. Increased respiration provides ATP.
Thus, Vigorous physical exercise is correct.
The inhabitants of the planet Mendel have three alleles for hair color: red (R), white (W) and blue (b). The R and W alleles exhibit codominance, and individuals with an RW genotype have pink hair. The b allele is recessive, so only individuals with a bb genotype have blue hair. If a red-haired Mendelian mates with a white-haired Mendelian, what are all the possible hair color phenotypes their offspring might theoretically have
Answer:
4 RW pink hair color
Explanation:
Let the allele for red hair color = R
Let the allele for white hair color = W
Let the allele for blue hair color = b
Since R and W exhibit co dominance it means none of both traits have the tendency or capability to masked the other .
As such individual with RW genotype = PInk hair color
Allele b is recessive and only individuals with the genotype bb exhibit the blue allele
Now; if a cross occurs between a red-haired Mendelian and a white-haired Mendelian
i.e
RR × WW
we have
R R
W RW RW
W RW RW
So we have the following offspring :
4 RW = 4 pink
So theoretically , the possible phenotypes results to 4 RW pink hair color
All of them will have pink hair,that is RW
When a homozygous red hair (RR) is crossed with a homozygous white hair (WW), all the offsprings will have pink hair(RW).
This is because self y pollination of the pink hair F1 generation offsprings produces a mixture of F2 generation offsprings bearing red(RR), pink(RW) and white (WW) in the ratio of 1:2:1.
This reappearance of the red hair and white hair offsprings in the F2 generation shows that the alleles (R) and (W) have remained unaltered in the F1 generation.
All the offsprings will have a phenotypic pink hair because the (R) and (W) are not dominant over each other.
The effect of each allele is modified by the presence of the other to produce a third phenotype (the pink hair offspring). This is known as incomplete dominance. Here, the way the alleles for hair are segregated and transmitted agrees with Mendel's proposals.
The observed phenotypic ratio of 1:2:1 in the F2 generation instead of the typical Mendelian 3:1 ratio is due to the hetero zygote showing a hair colour of its own.
Incomplete dominance is the ability of two alleles to produce a heterozygous phenotype that is different from the two homozygous phenotypes
Which features is a significant difference in the function of dna polymerases versus rna polymerases?
Answer:
the ansier is
Explanation:
c adobina;
DNA polymerases require a primer and have proofreading functions, while RNA polymerases can initiate synthesis without a primer and use uracil-containing ribonucleotides. RNA polymerases are more complex in eukaryotes, involving different types for synthesizing various RNA molecules.
Explanation:A significant difference in the function of DNA polymerases versus RNA polymerases is found in their operational mechanics and biochemical requirements. DNA polymerases, such as DNA polymerase I in prokaryotes, require a primer to initiate DNA synthesis and possess 5'→3' exonuclease activity to remove these RNA primers. DNA polymerases also have proofreading abilities, enabling them to correct errors during DNA replication.
In contrast, RNA polymerases do not require a primer to begin transcription. Instead, they are capable of initiating RNA synthesis from scratch. Furthermore, RNA polymerases use ribonucleotide triphosphates (NTPs) that contain uracil, instead of thymine found in DNA. RNA polymerases in eukaryotes are also more complex than those in prokaryotes, with three main types (RNA polymerase I, II, and III) each made up of more than 10 subunits and needing a distinct set of transcription factors to initiate transcription.
If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells, ________. A) it would be much longer before cardiac cells could respond to a second stimulation B) contractions would last as long as the refractory period C) tetanic contractions might occur, which would stop the heart's pumping action D) pacemaker cells would cease to spontaneously depolarize
Answer:
C. tetanic contractions might occur, which would stop the heart's pumping action.
Explanation:
The absolute refractory period of the cardiac muscle action potential refers to the time interval when the voltage gated sodium channels are inactivated. The absolute refractory period lasts ~180 msec. The action potential lasts 200-220 msec.
The refractory period of cardiac muscle is dramatically longer than that of skeletal muscle. This prevents tetanus from occurring and ensures that each contraction is followed by enough time to allow the heart chamber to refill with blood before the next contraction.
In order words, It is important for the cardiac muscle cells to have a longer refractory period, because if they were short like the skeletal muscles, the heart could enter tetanic contraction/summation which is when muscle is stimulated so rapidly that it does not have a chance to relax at all between stimuli.
The tetanic contractions might occur, which would stop the heart's pumping action. Thus the option C is correct.
What are tetanic contractions ?The tetanic contraction is the muscle that contraction is evoked when the motor nerve innervates the skeletal muscle and has an action potential at a very high rate.
At this stage, the motor unit has a max stimulated by the motor neuron and remains the same way for some time. An example is that of holding a heavy box.
Find out more information about the cardiac muscle.
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Chlorophyll molecules donate electrons to an electron acceptor ____.
Explanation:
Chlorophyll molecules donate electrons to an electron acceptor in the reaction center.The "energized."is also known as when the photon makes an electron in the chlorophyll . The vitality given to the electron at that point goes starting with one shade atom then onto the next until it arrives at a couple of chlorophyll a particles called the reaction center. When Electrons of a Chlorophyll Molecule are eager to a higher vitality level, They are moved to a Primary Electron Acceptor. Chlorophyll helps this exchange as when chlorophyll ingests light vitality, an electron in chlorophyll is energized from a lower vitality state to a higher vitality state. This electron is more readily transferred to another molecule.Hyperventilation could be associated with all of the following, EXCEPT: Select one: a. an overdose of aspirin. b. a narcotic overdose. c. a respiratory infection. d. high blood glucose levels.
Answer:
C. Narcotic overdose
Explanation:
The narcotics cause respiratory depression as they decrease the response to the increased partial pressure of carbondioxide pCO2 , thus resulting in depression of the respiratory centre in brain and no hyperventilation occurs Hence option B is the right answer.
Hyperventilation is occurring in option A because aspirin overdose cause direct respiratory center stimulation resulting in respiratory alkalosis causing hyperventilation.
Hyperventilation is occuring in option C as most of the respiratory infections e.g pneumonia is associated with hyperventilation due to swelling and accumuation of fluid in lungs causing fast breath.
Hyperventilation also occurs in high blood glucose levels hence option D is also excluded.
Hyperventilation is associated with various conditions, but high blood glucose levels are not typically associated with it.
Explanation:Hyperventilation is a condition characterized by rapid and deep breathing, leading to an abnormal decrease in carbon dioxide levels in the blood. This can be associated with various conditions and factors, but high blood glucose levels are not typically associated with hyperventilation. However, an overdose of aspirin, a narcotic overdose, and a respiratory infection can all be associated with hyperventilation.
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What is the ploidy of the zygote produced by fertilization
Answer:
The ploidy of the zygote produced by fertilization is diploid.
The ploidy level of a zygote that is produced by fertilization is diploid.
A zygote is the initial cell formed when two gametes, an egg (female gamete) and a sperm (male gamete) fuse during the process of fertilization. It is the earliest stage of development in sexually reproducing organisms.
After fertilization, the zygote contains the complete set of chromosomes, half from each parent. It carries the genetic information that determines the characteristics of the offspring. The zygote undergoes rapid cell division through a process called cleavage. It results in the formation of an embryo.
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Proper folding of proteins is essential for their biological activity. In general, the functional conformation of a protein is the conformation with lowest energy. This means that if an unfolded protein is allowed to reach equilibrium, it should assemble automatically into its native, functioning folded state. Why then is there a need for molecular chaperones and chaperonins in cells?
Explanation:
In order to the protein fold into the tertiary and, by consequence, the operational structure, an energy barrier has to be broken. The lowest Gibbs energy is achieved when the protein is in the native state. But, by looking the a free energy diagram of a protein, the transformation of a misfolded to a native state has to be performed by a catalyzation process using chaperone or a chaperonin, depending of the organism.
A typical fire regime for a boreal forest might have fire re-occurring every
Answer:
A typical fire regime for a boreal forest might have fire re-occurring every 53 years.
Explanation:
The fires caused in the boreal region adds essential nutrients to the soil. Some tree species are even dependent on the heat from fire to disperse their seeds, and the natural burn cycle helps maintain a healthy forest ecosystem. On average, wildfires burn anywhere between 5 to 20 million hectares of boreal forest each year. In Russia, low to moderately intense surface-level fires return every 53 years; for Canada, the return interval is roughly 180 years.
The Indian leaf butterfly has traits that allow it to resemble a leaf. The bright colors of the monarch butterfly indicates that the butterfly’s tastes bad and can be poisonous. How does the appearance of these butterfly’s help them survive
Answer:
(Indian Leaf Butterfly) CAMOUFLAGED
(Monarch Butterfly) CHEMICAL DEFENSE and COLOURFUL WARNING SIGNALS
Explanation:
The Indian leaf butterflies survives by camouflaging to deceive a potential enemy. They could also seek survival by blending to their presents environment such that a supposed enemy finds it hard to identify with their presence.
The monarch Butterfly are very colourful and are super in defending themselves through chemical means.
By chemical defense, they do well to feed on milkweed which is highly poisonous but they have their way of isolating themselves from the consumed poison.
They also send away predators using their colourful warning signals and bright colours. This colours informs predators that they contain poisonous contents.
When a predator bites a monarch Butterfly, it taste the poisons in the wings of the butterfly and let it go. But if peradventure a birds swallows a monarch, the experience of the taste of the poisons teaches the bird never to hunt a monarch Butterfly again
I believe the answer is "A". Please correct me.
Which statement best describes the role of animals in the water and carbon cycles?
Select one:
a. Animals release carbon dioxide and water vapor as a by‐product of cellular respiration.
b. Animals release carbon dioxide and water vapor as a by‐product of photosynthesis.
c. Animals take in carbon dioxide and oxygen during cellular respiration.
d. Animals use oxygen to perform photosynthesis and release carbon dioxide as a by‐product.
Answer:
The right answer is A
Explanation:
Because animals take in sugar and oxygen, break them down and release carbon dioxide and water along with ATP as usable energy.
Answer:
i think its actually b
Explanation:
Jasper has been sleeping for about 90 minutes when his brain shows rapid, irregular waves. His blood pressure rises, his heart rate increases, and his skeletal muscles go limp. Which of the following is the most likely conclusion?a. Jasper is chronically sleep-deprived and his sleep, like his daytime activities, is abnormal.
b. Jasper is experiencing physiological changes that are normal for the third stage of sleep.
c. Jasper is experiencing unusual sleep because during the day he engaged in strenuous physical activities.
d. Jasper is experiencing physiological changes that are normal during REM sleep.
Answer:
d. Jasper is experiencing physiological changes that are normal during REM sleep.
Explanation:
Rapid Eye Movement Sleep (REM), also referred to as paradoxical sleep, is a state of sleep in the normal sleep cycle, which involves active movement of the muscles of the eyes, and the diaphragm, as well as increased brain activity. However, the skeletal muscles are relaxed. This type of sleep is characterized by vivid dreams as brain activity is intense, although there is absence of no motor function during this sleep.
We can conclude that, the physiological changes experienced by Jasper are normal during REM sleep.
Tim was admitted for anemia associated with a malignant carcinoma of the left lung. He received treatment for the anemia at this time. The principal diagnosis is theTim was admitted for anemia associated with a malignant carcinoma of the left lung. He received treatment for the anemia at this time. The principal diagnosis is the
Answer:the principal diagnosis is carcinoma.
Explanation:
This is because this types of cancer destroy the ability of the bone marrow to make healthy blood cells, this in turn results in anaemia.
The principal diagnosis referred to in this case is the malignant carcinoma of Tim's left lung. The anemia he is experiencing is secondary, associated with his primary condition, and was treated alongside the lung cancer. His condition may cause his immune system to be compromised, similar to the case of Benjamin.
Explanation:The principal diagnosis in this case is the malignant carcinoma of the left lung. The admission was prompted by anemia associated with the condition, but the anemia is secondary to the lung cancer. Carcinoma refers to a type of cancer that starts in cells that make up the skin or the tissue lining organs, such as the lungs. In this case, these malignant cells are present in the lung, hence the 'malignant carcinoma of the left lung', which is the primary disease being treated. Tim's anemia was also managed at the same time, as it is a critical symptom directly related to his lung cancer.
Similar to the case of Benjamin, anemia can be caused by various reasons such as overproduction of non-functional leukocytes or side-effects from chemotherapy. Benjamin's immune system was compromised due to his chronic myelogenous leukemia and chemotherapy, which limited his ability to fight off infections. This is something that may also affect Tim, considering his compromised state stemming from the carcinoma and the subsequent anemia.
Anemia, the condition linked to the primary diagnosis, is characterized by a deficiency in the number or quality of red blood cells in the body. Stem cells from bone marrow are crucial components in the process of generating new blood cells, hence, their importance in treating severe forms of anemia and some types of cancer.
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As early vertebrates transitioned from an aquatic lifestyle to terrestrial habits, major changes in structural and physiological characteristics facilitated their survival and expansion. It is likely that some of these traits are a result of:_________ a) changes in developmentally important genes, as in evo-devo the ability of some cells to incorporate environmental DNA, or eDNA, into its genome b) new Hox genes that reverse some steps in development c) transcription factors that originate outside of the developing embryo d) new interactions between cytoplasmic determinants and the nucleus
Answer:
Option-(A): The changes in developmentally important genes, as in evo-devo the ability of some cells to incorporate environmental DNA, or eDNA, into its genome
Explanation:
The term evolution gets to play the most important role when we evaluate the conditions faced by the different organisms when the shifted from the aquatic form of life towards the terrestrial as there were more to perform for there body system and it all just did not happened in a day or two but it took millions of years of evolution inside the living beings to make them able to live on land. As, the genome of the different species was greatly changed and thus there cellular structures were made to defend the body from any foreign object and make it able to survive on land as well, just because there is difference of oxygen level and other natural resources inside the different spheres and for that some of the changes inside the cellular structures were required to be done.
The more than 500 species of fruit fly on the various Hawaiian Islands, all apparently descended from a single ancestral species, are an excellent example of __________.
Answer:
Adaptive radiation
Explanation:
adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.
What is an essential component of all viruses?
Answer:
See the answer and explanation below, please.
Explanation:
Viruses may have RNA or DNA genetic material. Those who have wrapping, this is composed of proteins, which is called capside.
Tropomyosin is long enough to cover the active sites on _________ g- actin molecules.
Explanation:
Tropomyosin is a progression of long string-like polypeptides joined start to finish that matches every F actin strand, strengthens and solidifies the F dynamic strands, and capacities to either cover up or uncover the "dynamic sites" on each globular actin molecule.One single tropomyosin atom is sufficiently long to cover the dynamic restricting destinations on seven G-actin particles. These are where actin atoms tie with the thicker myosin particles.Imagine that we mate two black Labrador dogs with normal vision and find that three of the puppies are like the parents, but one puppy is chocolate with normal vision and another is black with PRA (progressive retinal atrophy, a serious disease of vision). We can conclude that
Answer:
In the given case, both the parents exhibit black color with normal vision, however, the progenies from these parents exhibit black color with one exhibiting brown color, while one is black in color but exhibiting a condition associated with vision known as PRA. This indicates that both these parents are heterozygous and the brown color and PRA are the recessive traits.
The progenies showing black normal vision, brown normal vision and black with PRA, indicates that the alleles for these genes have got segregated autonomously of each other.
Answer:
the alleles for color and vision segregate independently during gamete formation
Explanation: i swear its right hope it hepls
_______________ hormones include steroids and bind to ____________ receptors.
Explanation:
Steroid hormone, any of a gathering of hormones that have a place with the class of substance mixes known as steroids; they are discharged by three "steroid organs"— the adrenal cortex, testicles, and ovaries—and during pregnancy by the placenta. All steroid hormones are gotten from cholesterol. They are moved through the circulatory system to the cells of different objective organs where they do the guideline of a wide scope of physiological capacities.A twin study is conducted to examine the role of genetics and environment on the fondness of individuals for chocolate. Which of the following results would lead to the conclusion that genetic factors are important in the development of this trait?
a. Twins who have lived together are more similar on the trait than twins who have lived apart.
b. Twins who have lived apart are more similar on the trait than twins who have lived together.
c. Identical twins are more similar on the trait than fraternal twins.
d. Fraternal twins are more similar on the trait than identical twins
"Identical twins are more similar on the trait than fraternal twins" would lead to the conclusion that genetic factors are important in the development of this trait.
Option: C
Explanation:
Research performed on identical or fraternal twins are twin investigations. We seek to expose the significance for characteristics, phenotypes and diseases of environmental and genetic factors. Twin work is considered a key instrument in the domains of behavioral genetics and material, from biology to psychology.
Fraternal or dizygous twins each share around 50 % of their DNA, just like any other parent. Since the twins are born into the same family they share other factors of their surroundings. The existence of a given genetic or phenotypic trait in just one component of a pair of twins called discordance offers a valuable insight into influence on such a trait on climate.