Which hormone is most likely to bind to an intracellular receptor and alter gene transcription?
Correct answer: C. Cortisol
- A. Insulin
- B. ADH
- C. Cortisol
- D. Epinephrine
Explanation
Cortisol is a lipid-soluble steroid hormone that crosses the cell membrane and binds an intracellular receptor, changing gene transcription. Insulin, ADH and epinephrine are water-soluble hormones that mainly act through cell-surface receptors.
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About Endocrine System
The endocrine system covers hormone-producing glands including the pituitary, thyroid, parathyroids, adrenals, pancreas, pineal gland, ovaries and testes. It explains hormone classes, target-cell responses, feedback control, and the functions of hormones such as insulin, thyroxine, cortisol, growth hormone and ADH, which is often confused with a kidney-produced substance.
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