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Author Question: Match up the correct receptor type and effect. a. ionotropic; direct opening of an ion channel ... (Read 44 times)

Sportsfan2111

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on: Jun 22, 2018
Match up the correct receptor type and effect.
 
  a. ionotropic; direct opening of an ion channel
  b. ionotropic; more time required to open an ion channel
  c. ionotropic; G protein activation leads to activation of a second-messenger
  d. metabotropic; second-messenger effects are specific to neuronal communication
  e. metabotropic; rapid short-lived effects on ion channels

Question 2

With regard to release of neurotransmitter in the brain, kiss and run refers to the situation in which the vesicle
 
  a. releases most of its contents into the cleft and the vesicle remains attached to the presynaptic membrane.
  b. closes before releasing any molecules and then moves to the cell interior.
  c. remains open until the next action potential.
  d. releases most of its contents into the cleft, after which the vesicle breaks away from the presynaptic membrane and is refilled.
  e. merges completely with the presynaptic membrane.


IAPPLET

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: a. ionotropic; direct opening of an ion channel

Answer to Question 2

Answer: d. releases most of its contents into the cleft, after which the vesicle breaks away from the presynaptic membrane and is refilled.


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