Question

Enzymes in the living systems:

• A. provide immunity
• B. catalyse biological reactions
• C. transport oxygen
• D. provide energy

Answer 1

Answer: (B)

Enzymes in the living systems catalyze biological reactions.

Enzymes speed up the rate of reactions without involving in the reactions. Most enzymes act specifically with only one reactant to produce products.

Enzymes also regulate from a state of low activity to high activity and vice versa. They act as a biocatalyst.

Option D is correct.