Zoology-Hormone Action Mechanism

NEET Zoology Hormone Action Mechanism MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements about hormone action mechanisms is correct?

A

Peptide hormones usually generate second messengers and do not enter target cells.

B

Steroid hormones primarily act through membrane-bound receptors.

C

Amino acid derivatives can only function through intracellular receptors.

D

Glucocorticoids act by inhibiting cellular metabolism directly without second messengers.

Correct Answer

Option A

Detailed Explanation

Peptide hormones, such as insulin, interact with membrane-bound receptors and generate second messengers like cyclic AMP, which regulate cellular metabolism. This aligns with the details provided in the NCERT context regarding hormone action mechanisms.

Found an issue with this question?