NEET Zoology Hormone Action Mechanism MCQ Question
Which of the following statements regarding hormone action mechanisms are correct?
Peptide hormones act through membrane-bound receptors and generate second messengers.
Steroid hormones primarily act on membrane-bound receptors.
Hormones that enter the target cell typically regulate gene expression.
Amino-acid derivatives are exclusively involved in gene regulation.
Correct Answer
Detailed Explanation
Statement A is correct as peptide hormones interact with membrane-bound receptors to generate second messengers. Statement B is incorrect because steroid hormones primarily interact with intracellular receptors, not membrane-bound ones. Statement C is correct as hormones entering target cells typically regulate gene expression. Statement D is incorrect since amino-acid derivatives can have various roles, not limited to gene regulation.
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