Question

Assertion(A): Hormones are similar to enzymes in their action and chemical nature.
Reason(R): Hormones and enzymes are proteinaceous in nature and act as informational molecules

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not the correct explanation of A
• C. A is true but R is false
• D. Both A and R are false.

Answer 1

The correct option is D Both A and R are false.

Hormones are informational molecules secreted by the endocrine glands. They do not act like enzymes since they do not catalyse specific chemical reactions. They may influence the synthesis, activation or inhibition of some enzymes. All hormones are not proteins.