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Author Question: As much as 20 to 40 percent of the energy required by the brain is used by a. sodium-potassium ... (Read 22 times)

fagboi

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on: Jun 22, 2018
As much as 20 to 40 percent of the energy required by the brain is used by
 
  a. sodium-potassium pumps.
 b. calcium pumps.
 c. anterograde transport within neurons.
  d. retrograde transport within neurons.

Question 2

Ion selectivity is a feature of
 
  a. both ion channels and ion pumps.
  b. neither ion channels nor ion pumps.
  c. ion channels, but not ion pumps.
 d. ion pumps, but not ion channels.


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morrie123456

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

a

Answer to Question 2

a


fagboi

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Reply 2 on: Jun 22, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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