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5 Written questions

5 Matching questions

  1. end plates
  2. small clear-core vesicle
  3. dynamin
  4. NSF (NEM-sensitive fusion protein)
  5. syntaxin and SNAP-25
  1. a Vesicles that contain small molecule neurotransmitters. These vesicles appear clear in electron micrographs. Made in the axon terminal by enzymes shipped down by slow axonal transport from the soma.
  2. b an ATPase involved in priming synaptic vesicle for fusion
  3. c T-SNARE proteins embedded to the pre-synapatic membrane; attach to synaptic vesicles for vesicle fusion
  4. d neuromuscular junctions when synapses from the pre-synaptic axon elaborate and appear in a saucer-like shape on the muscle fiber
  5. e a protein that causes the final pinching-off of the membrane that completes the production of coated vesicles in the synaptic vesicle cycle.

5 Multiple choice questions

  1. Make electrical synapses possible. Consists of hexameric subunits made up of subunits called connexons.
  2. How neurotransmitters are referred to when two or more of them are present in the same nerve terminal.
  3. with the aid of auxilin, this removes the clathrin coating so that the vesicle can move onto other phases of recycling
  4. recycling process for synaptic vesicle. Process takes about 1 minute.
  5. reversibly binds to synaptic vesicles and may cross link vesicle to actin filaments in the cytoskeleton to keep the vesicles tethered within the reserve pool.

5 True/False questions

  1. end plate potential (EPP)make up EPPS and correspond to the release of just one or two vesicle. Small, happen spontaneously, and cannot trigger an AP.

          

  2. Neurotransmitterschemical agents acting as messengers between the communicating neurons. Released from vesicle when the is a large Ca++ influx into the cell. How many are released depends on how much Ca++ enters the terminal.

          

  3. large dense-core vesiclesVesicles that contain small molecule neurotransmitters. These vesicles appear clear in electron micrographs. Made in the axon terminal by enzymes shipped down by slow axonal transport from the soma.

          

  4. SNAPs (soluble NSF-attachments proteins)Involved in priming synaptic vesicles for release. Work by regulating the assembly of SNARE proteins.

          

  5. Electrical synapsesreversibly binds to synaptic vesicles and may cross link vesicle to actin filaments in the cytoskeleton to keep the vesicles tethered within the reserve pool.

          

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