Author Question: Match up the correct receptor type and effect. a. ionotropic; direct opening of an ion channel ... (Read 71 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
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

  • Sr. Member
  • ****
  • Posts: 333
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library