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Naily [24]
3 years ago
11

Upon examination, a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of repli

cating the DNA. All of the DNA is found within a single nucleus. Which stage of the cell cycle is this cell in?
A. M phase
B. S phase
C. G1 phase
D. G2 phase
E. cytokinesis
Biology
1 answer:
swat323 years ago
4 0

Answer:

D. G2 phase

Explanation:

The G2 phase is last phase or stage that occurs in the metabolic phase of a cell cycle also know as the Interphase.

The G2 phase is referred to as the cell division phase in a cell cycle. It is a phase whereby twice as much DNA as the normal diploid state is found in the cell but is no longer in the process of replicating the DNA and all of the DNA is found within a single nucleus.

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Imagine that a toxin is introduced to the body and inhibits the establishment of the proton gradient in the intermembrane space.
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Answer:

ATP synthase would be unable to produce ATP

Explanation:

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Pyruvate is a product of glycolysis, and it will not be affected by a toxin. NADH is very important in the establishing of a proton gradient, so it is expected that it would be unable to be oxidized due to the toxin. Protons produced in the conversion of NADH to NAD+ actually establish the proton gradient. If the gradient is absent, NADH is then not likely to be oxidized.

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2 years ago
Using the 10 percent rule, explain why there is typically smaller populations of quaternary consumers compared to primary consum
grandymaker [24]

Answer:

As we know 10% law is transfer of energy from higher trophic level to lower trophic level. So as the energy are transfer from one organism to another there is a loss of energy as that energy are utilised by the oragnism and only 10% of the total energy is transferred to the second consumer.

Explanation:

Quetinary consumer are at the higher position in the food chain so they do not get enough energy from prey they have to feed on several organism for the enegy. And also they are at the top of the food chain so they are not eaten by other animal, their life span are also more than primary consumer.

In other hand primary consumer get enough energy but they are prey for other higher tropic level.

Primary and secondary consumer are maintend in such a way by the nature thats make a ecological balance of the habitant.

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Answer:

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