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lianna [129]
3 years ago
12

In response to seasonal changes in temperature, many organisms must alter the composition of their plasma membranes to maintain

the proper degree of fluidity. As summer turns to fall and eventually into winter, which of the following would you predict you would observe in the plasma membranes of organisms that are unable to regulate their body temperature?A. an increase in phospholipid fatty acid side chain length and an increase in side chain saturationB. a decrease in phospholipid fatty acid side chain length and an increase in side chain saturationC. a decrease in phospholipid fatty acid side chain length and a decrease in side chain saturationD. an increase in phospholipid fatty acid side chain length and a decrease in side chain saturation
Biology
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

C. a decrease in phospholipid fatty acid side chain length and a decrease in side chain saturation

Explanation:

Temperature is a factor that has a huge impact on cell membrane structure, more precisely its fluidity. So, for example, if temperature increases, the cell membrane becomes more fluid because the fatty acid tails of the phospholipids become less rigid.

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Rufina [12.5K]

The statements that  are true of receptor-mediated endocytosis is that It allows the internalization of extracellular substances in clathrin-coated vesicles.

<h3>What is receptor-mediated endocytosis?</h3>

Receptor-mediated endocytosis  can as well be regarded as the clathrin-mediated endocytosis,  which can be explained as the process by which cells absorb metabolites as well as  hormones, proteins.

It should be noted that in some cases of viruses through the inward budding of the plasma membrane, however the process of endocytosis”  can be seen as one that entails  both the ingestion of large particles  whic could be bacteria as well as the uptake of fluids or macromolecules in small vesicles.

In conclusion, when it take in large moplecules it is known as  phagocytosis (cell eating) , in receptor-mediated endocytosis , there is a room for the internalization of extracellular substances in clathrin-coated vesicles.

Therefore, the first option is correct.

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2 years ago
Which is a correct statement about gametogenesis?
FrozenT [24]
I think the correct answer among the choices given above is option A. <span>In gametogenesis, geminal cells multiply by mitosis and muture gametes are formed by meosis. Gametogenesis is a process by which a diploid or a haploid cells undergo division to form mature gametes.</span>
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3 years ago
Which respresents the common conditions of all three of the following: genetic drift, the founder principle, and the bottleneck
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Answer: b

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4 0
3 years ago
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Dab most likely inhibits which reaction?a. phosphorylation of glucose. phosphorolysis of glycogen. export of lactate from cellsd
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Dab most likely inhibits phosphorolysis of glycogen reaction.

<h3>What is phosphorolysis?</h3>
  • Inorganic phosphate acts as the attacking group during phosphorolysis, which is the cleavage of a molecule.
  • It's comparable to hydrolysis.
  • A reversible process akin to hydrolysis where phosphoric acid behaves like water and produces phosphate as a byproduct.
  • It's comparable to hydrolysis.
  • Glycogen phosphorylase, which catalyzes the assault of inorganic phosphate on the terminal glycosyl residue at the nonreducing end of a glycogen molecule, is an example of this.
  • The difference is that while reactions involving hydrolysis use water to split larger molecules into smaller ones, reactions involving phosphorolysis use phosphate to achieve the same result.
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4 0
2 years ago
Pollination of a flower or plant with pollen from a different flower or plant is known as​
elixir [45]

Answer:

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