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Author Question: Following release from the presynaptic cell, neuropeptides a. cannot be deactivated by enzymes, ... (Read 60 times)

ENagel

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on: Jun 21, 2018
Following release from the presynaptic cell, neuropeptides
 
  a. cannot be deactivated by enzymes, whereas small-molecule transmitters diffuse away or are deactivated by reuptake.
  b. are deactivated by reuptake, whereas small-molecule transmitters diffuse away or are deactivated by enzymes.
  c. can diffuse away from synapses, whereas small-molecule transmitters are deactivated by reuptake.
 d. and small-molecule transmitters can be deactivated by diffusion, enzymes, or reuptake.

Question 2

The release of vesicles containing neuropeptides requires
 
  a. higher levels of calcium than the release of small-molecule neurotransmitters.
 b. lower levels of calcium than the release of small-molecule neurotransmitters.
 c. approximately equal levels of calcium as the release of small-molecule neurotransmitters.
  d. no calcium at all.


leannegxo

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Reply #1 on: Jun 21, 2018
Answer to Question 1

c

Answer to Question 2

a


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