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Author Question: The membrane of a retinal photoreceptor is ________ in the dark, whereas exposure to light ________ ... (Read 33 times)

Pea0909berry

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on: Jun 22, 2018
The membrane of a retinal photoreceptor is ________ in the dark, whereas exposure to light ________ the membrane.
 
  a. depolarized; further depolarizes
  b. hyperpolarized; inactivates
  c. inactive; depolarizes
  d. hyperpolarized; further hyperpolarizes
  e. depolarized; hyperpolarizes

Question 2

The cell membrane of a retinal photoreceptor contains sodium channels that at rest (in the dark) are normally ________ and have a resting potential that is ________ compared to other neurons.
 
  a. open; hyperpolarized
  b. open; depolarized
  c. closed; hyperpolarized
  d. closed; depolarized
  e. inactivated; normal


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wshriver

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

Answer: e. depolarized; hyperpolarizes

Answer to Question 2

Answer: b. open; depolarized


Pea0909berry

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Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

debra928

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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