Chapter 11 Review: 19628/5024920

  1. G-proteins are involved in which stage of cell communication?
    1. reception <==== correct
    2. transduction (wrong)
    3. cellular response (wrong)
    4. second messenger (wrong)
    5. translation (wrong)
      Hint
  2. Which of these can act as a second messenger?
    1. cAMP <==== correct
    2. ATP (wrong)
    3. ADP (wrong)
    4. CO2 (wrong)
    5. H2O (wrong)
      Hint
  3. Which molecule is a second messenger?
    1. ATP (wrong)
    2. acetylcholine (wrong)
    3. cAMP <==== correct
    4. G protein (wrong)
    5. epinephrine (wrong)
      Hint
  4. Which molecule can cross the lipid bilayer of the plasma membrane to bind to intracellular receptors?
    1. epinephrine (wrong)
    2. testosterone <==== correct
    3. insulin (wrong)
    4. acetylcholine (wrong)
    5. growth factors (wrong)
      Hint
  5. ________ receptors respond to ligands such as neurotransmitters to open sodium gates and relay nerve impulses.
    1. Ion channel <==== correct
    2. Intracellular (wrong)
    3. Extracellular (wrong)
    4. Hydrophobic (wrong)
    5. G-protein-linked (wrong)
      Hint
  6. Acetylcholine is a type of ________ released by nerve cells in synaptic signaling.
    1. neurotransmitter <==== correct
    2. steroid hormone (wrong)
    3. second messenger (wrong)
    4. signal cascade (wrong)
    5. ion channel (wrong)
      Hint
  7. Hormones are involved in
    1. paracrine signaling. (wrong)
    2. synaptic signaling. (wrong)
    3. short-distance signaling, (wrong)
    4. long-distance signaling. <==== correct
    5. second messengers. (wrong)
      Hint