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olga_2 [115]
3 years ago
11

Natural selection acts only on individual organisms and cannot affect the survivability of an entire species.

Biology
2 answers:
ikadub [295]3 years ago
7 0
False, if too many individual organisms die, the speices might die out
Elis [28]3 years ago
7 0

Answer:

     The right answer to this question is option B. False.

Explanation:

      The main reason why this is not true is that natural selection is totally dependent on food chain and environment as a whole. This means that, there's a need of a whole population for a single organism to pass their adapted genes to another one. For example, if there's an environment with a certain kind of food for squirrels, and something happens to this environment that the food there is another type, if only one squirrel is born with the gene to eat this food, natural selection will kill not only this one at the end of its life, but the rest of the population that couldn't adapt to it.

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Nimfa-mama [501]

Answer:

CHK2, p53, p21, cell cycle progression.

Explanation:

In a normal cell with no LFS mutation, during the G1 stage of cell cycle progression, the CHK2 activates if there is damage in the DNA. CHK2 activates p53, which is a tumor suppressor protein that will hold the cell cycle in G1/S until the DNA is repaired. The p53 protein activates p21, a protein that binds to CDK2 and stops the cell cycle. The cell cycle will continue once the damage is repaired.      

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4 years ago
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3 years ago
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zysi [14]

Answer:

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Explanation:

4 0
3 years ago
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Phantasy [73]

Answer:

A.)

Explanation:

7 0
3 years ago
The study of the whole economy is called _____.
Anni [7]
Answers – 
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5 0
4 years ago
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