Glucagon Receptor and its Effects Quiz
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Questions and Answers

Where is the glucagon receptor predominantly expressed?

  • Adrenal glands
  • Kidneys (correct)
  • Heart
  • Gastrointestinal tract
  • What is another name for the glucagon receptor due to its structure?

  • Beta receptor
  • Alpha receptor
  • Octahedral receptor
  • Serpentine receptor (correct)
  • What happens when glucagon binds to the glucagon receptor?

  • It stimulates a classic G-protein (correct)
  • It promotes gene expression directly
  • It activates an inhibitory G-protein
  • It inactivates the G-protein
  • Which nucleotide is displaced by GTP in the alpha subunit of the G-protein upon activation?

    <p>GDP</p> Signup and view all the answers

    What is converted into cAMP when Adenylyl cyclase is activated?

    <p>ATP</p> Signup and view all the answers

    What is the role of protein-kinase A in the signaling pathway?

    <p>Activates transcription factors through phosphorylation</p> Signup and view all the answers

    Which downstream signaling protein is activated by GQ, another type of G-protein?

    <p>Phospholipase-C</p> Signup and view all the answers

    What does G small 'i' do when activated?

    <p>Inhibits Adenylyl cyclase</p> Signup and view all the answers

    'KREB' binds to response elements of target-genes through what process?

    <p>'KREB' phosphorylation</p> Signup and view all the answers

    'CRE'-cAMP response elements binding protein is involved in what biological process?

    <p>'CREB' binding to DNA for gene expression regulation</p> Signup and view all the answers

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