Peptide and Steroid Hormones
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Questions and Answers

Which hormone is synthesized from cholesterol and not stored?

  • Testosterone
  • Cortisol
  • Thyroxine (correct)
  • Estrogens

    • Where are epinephrine and norepinephrine formed and stored?

  • Thyroid Gland
  • Adrenal Medulla (correct)
  • Ovaries
  • Adrenal Cortex

    • Which hormone is part of the Secretin-Glucagon Family?

  • Prolactin (PRL)
  • Chorionic somatomammotrophin (HCS)
  • Gastric inhibitory polypeptide (GIP) (correct)
  • Growth hormone (GH)

    • Which hormone is synthesized from tyrosine?

    <p>Norepinephrine (B)</p> Signup and view all the answers

    Which hormone is known as Human placental lactogen (HPL)?

    <p>Chorionic somatomammotrophin (HCS) (B)</p> Signup and view all the answers

    Which part of the G protein–linked hormone receptor is coupled to G proteins?

    <p>The part protruding into the cell cytoplasm (C)</p> Signup and view all the answers

    What occurs when a ligand (hormone) binds to the extracellular part of the G protein–linked hormone receptor?

    <p>Conformational change in the receptor activates G proteins and induces intracellular signals (D)</p> Signup and view all the answers

    Where is the hormone-binding site located in enzyme-linked hormone receptors?

    <p>On the outside of the cell membrane (C)</p> Signup and view all the answers

    What happens when a hormone binds to the extracellular part of an enzyme-linked hormone receptor?

    <p>An enzyme immediately inside the cell membrane is activated (D)</p> Signup and view all the answers

    Which type of receptor is exemplified by the leptin receptor?

    <p>Enzyme-linked receptor (A)</p> Signup and view all the answers

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