Chapter 11: Cell Communication

  1. Acetylcholine is a type of
    1. neurotransmitter.
    2. steroid hormone.
    3. second messenger.
    4. signal cascade.
    5. ion channel.
  2. Steroid hormones are made from
    1. cholesterol.
    2. phospholipids.
    3. DNA.
    4. proteins.
    5. sugars.
  3. Which molecule is a second messenger?
    1. ATP
    2. acetylcholine
    3. cAMP
    4. G protein
    5. epinephrine
  4. Hormones such as thyroid hormones are involved in
    1. paracrine signaling.
    2. synaptic signaling.
    3. short-distance signaling,
    4. long-distance signaling.
    5. second messengers.
  5. ________ receptors respond to ligands such as neurotransmitters to open sodium gates and relay nerve impulses.
    1. Ion channel
    2. Intracellular
    3. Extracellular
    4. Hydrophobic
    5. G-protein-linked