Zoology-Hormone Action Mechanism

NEET Zoology Hormone Action Mechanism MCQ Question

Type: MCQ-conceptual-Hard-Class 11

Which of the following statements correctly describe the mechanisms of hormone action?

A

Peptide hormones typically act through membrane-bound receptors and generate second messengers.

B

Steroid hormones primarily bind to membrane-bound receptors to exert their effects.

C

Hormones that interact with intracellular receptors mainly regulate gene expression.

D

Amino-acid derivative hormones usually enter the target cell and act directly on chromosomes.

Correct Answer

Option A

Detailed Explanation

Peptide hormones, as stated in the NCERT context, interact with membrane-bound receptors and generate second messengers like cyclic AMP. In contrast, steroid hormones primarily act through intracellular receptors to regulate gene expression.

Found an issue with this question?