Answer:
According to the diagram, cell growth and preparation occur in steps 2 and 4, corresponding to phases G₁ and G₂ of cell cycle.
Explanation:
G₁ phase consists of the beginning of the cell cycle, following the process of previous division, and occurs in a cell that prepares for a next division. In this phase growth depends on the proliferation of mRNA to increase protein synthesis.
G₂ phase —third phase of the cycle— is the continuation of the process of cell growth induced by protein synthesis. Changes occur at the level of cellular components, as preparation of the cell prior to division.
Option (A) Torpor is the correct answer
Organisms that undergo hibernation have the ability to slow down their metabolism so as to lower the core temperature. This process is known as Torpor.
<h3>Why is torpor important for organisms undergoing hibernation?</h3>
Torpor is a state in animals where they lower all their metabolic activities and bodily functions so as to keep the body temperature low.
It is done by the animals to conserve resources in conditions where scarcity of food is there.
Some birds undergo torpor to conserve fat in the body.
Some animals use this technique of torpor to survive competition with other species.
These organisms come back to normal physiology when the conditions become favorable.
Read more about torpor here:
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The correct answer that would best complete the given statement above would be A TWO-HEADED FLY. A high concentration of bicoid protein at the opposite ends of a developing drosophila embryo would result in the development of a two-headed fly. The bicoid <span>gene is a type of egg-polarity gene and is transcribed by nurse cells. </span>
Answer: c. molecular structure of DNA
