NEET Zoology Hormone Action Mechanism MCQ Question
Which of the following statements correctly describe the mechanisms of hormone action?
Peptide hormones typically act through membrane-bound receptors and generate second messengers.
Steroid hormones primarily bind to membrane-bound receptors to exert their effects.
Hormones that interact with intracellular receptors mainly regulate gene expression.
Amino-acid derivative hormones usually enter the target cell and act directly on chromosomes.
Correct Answer
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.
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