Please answer ASAP
Which of the following best defines metabolism?

Choose 1

A.) Any process that requires energy

B.) A reaction that breaks down large substances into smaller ones

C.) The process of building complex molecules from simple molecules

D.) The complete set of reactions carried out by a cell

The statement 'the complete set of reactions carried out by a cell' BEST defines metabolism (Option D).

Metabolism refers to all chemical reactions that cells perform to carry out their functions (e.g., growth, differentiation, reproduction, etc).

Metabolic reactions can be divided into anabolic reactions and catabolic reactions.

Catabolic reactions are metabolic reactions that break down large molecules into smaller molecules, thereby releasing energy.

Anabolic reactions are metabolic reactions that synthesize large molecules by using smaller molecules, thereby consuming energy.

In conclusion, the statement 'the complete set of reactions carried out by a cell' BEST defines metabolism (Option D).

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The answer is B.

Explanation:

Metabolism is the process where large molecules are broken down into smaller molecules to obtain energy.

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