NEET Zoology Hormone Action Mechanism MCQ Question
Which of the following statements about hormone action mechanisms is correct?
Peptide hormones usually generate second messengers and do not enter target cells.
Steroid hormones primarily act through membrane-bound receptors.
Amino acid derivatives can only function through intracellular receptors.
Glucocorticoids act by inhibiting cellular metabolism directly without second messengers.
Correct Answer
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.
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