K+ ions are able to move against their concentration gradient across the cell membrane because they
A) flow with water entering the cell.
B) are actively transported across the membrane.
C) move with the electrical gradient.
D) are coupled with H+ ions.
E) are subject to osmosis.
Correct Answer:
Verified
Q144: Ion channels directly participate in
A) increasing water
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Q147: Refer to the following figure. 
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Q150: The pathway across the root in which
Q151: Active transport is essential for
A) moving water.
B)
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