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What is correct to say about hormone action in humans?

  1. A
    FSH stimulates the secretion of estrogen and progesterone
  2. B
    Glucagon is secreted by -cells of Islets of Langerhans and stimulates glycogenolysis
  3. C
    Secretion of thymosins is stimulated with aging
  4. D
    In females, FSH first binds with specific receptors on ovarian cell membrane

Solution & Step-by-step Explanation

1. Correct: FSH (Follicle Stimulating Hormone) is a peptide hormone. Since it is water-soluble and cannot cross the lipid bilayer, its receptors are located on the cell membrane of target cells (ovarian follicular cells).2. FSH stimulates estrogen, but LH mainly triggers the corpus luteum to secrete progesterone.3. Glucagon is secreted by -cells.4. Thymus shrinks and thymosin levels decrease with aging.

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What is correct to say about hormone action in humans?
A
FSH stimulates the secretion of estrogen and progesterone
B
Glucagon is secreted by -cells of Islets of Langerhans and stimulates glycogenolysis
C
Secretion of thymosins is stimulated with aging
D
In females, FSH first binds with specific receptors on ovarian cell membrane

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Human PhysiologyEndocrine SystemMechanism of Hormone Action

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