Question

Anabolism is
A)Sum total of metabolic reactions
B)Destructive metabolism
C)Constructive metabolism
D)Glycogenolysis

Answer 1

Hint: 1)The reactions used by smaller organic molecules to create large complex molecules are called anabolic reactions.
2)Energy is required in this process.

Complete answer:
Let us analyze the options to find out the correct option.

Option A: The sum total of all reactions is called metabolism. It involves both anabolism and catabolism. The metabolism takes place in the body constantly. Therefore, this is an incorrect option.

Option B: The breakdown of complex substances into simpler or smaller ones in living organisms is called destructive metabolism or catabolism. Energy is released in this process. Therefore, this is an incorrect option.

Option C: The synthesis or construction of complex molecules from simpler ones in living organisms via a series of chemical reactions is called constructive metabolism or anabolism. Energy is absorbed in this process, hence it is an endergonic reaction. Therefore, this is the correct option.

Option D: Glycogenolysis is a process in which a complex molecule glycogen is broken down into simple sugar molecules or glucose. It is a catabolic reaction. Therefore, this is an incorrect option.

Hence, the correct answer is option (C)

Note: 1.The reactions are enzyme catalyzed.
2.Energy is provided in the form of ATP.
3.Anabolism dominates catabolism in growing cells.
4.Anabolism is important for synthesis of cell components like macromolecules.