Zoology-Hormone Action Mechanism

NEET Zoology Hormone Action Mechanism MCQ Question

Type: MCQ-fact-Hard-Class 11

Which type of hormones typically generate second messengers that regulate cellular metabolism instead of entering the target cell?

A

Peptide hormones

B

Steroid hormones

C

Amino-acid derivatives

D

Iodothyronines

Correct Answer

Option A

Detailed Explanation

Peptide, polypeptide, and protein hormones interact with membrane-bound receptors and do not enter the target cell, generating second messengers like cyclic AMP, which regulate cellular metabolism.

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