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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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CTaustin CTaustin
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6 years ago
In order to get an ion to move against its concentration gradient (from low to high), the cell membrane needs a:
 
  a. Membrane pump
  b. Ion channel
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WillGross3WillGross3
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CTaustin Author
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6 years ago
Helped a lot
yen
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Yesterday
Thanks
asd454512
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2 hours ago
this is exactly what I needed
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