The Endocrine Glands · NCERT Biology

Hormones that interact with intracellular receptors (like steroid hormones) mostly regulate gene expression by forming a:

  1. Cyclic AMP signaling complex
  2. Hormone-receptor complex
  3. Secondary messenger cascade
  4. G-protein coupled signaling unit
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Correct answer: Hormone-receptor complex

Steroid hormones are lipid-soluble and can cross the cell membrane. They bind to intracellular receptors to form a hormone-receptor complex that interacts with the genome (DNA) to trigger physiological responses.

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