When would a cell use Active Transport? Mark all that apply.
a. When the cell needs to move a compound down its concentration gradient.
b. When the cell needs to move a compound against its concentration gradient.
c. When the cell needs to move a polar compound.
d. When the cell needs to move a nonpolar compound.
e. When the cell needs to move an ion.
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When would a cell use Active Transport? Mark all that apply.
a. When the cell needs to move a compo...
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