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What is active transport?
A. The movement of molecules down a concentration gradients from high to low , using no energy.
B. The movement of molecules up a concentration gradient from low to high , using energy
C. The movement of molecules down a concentration gradient from high to low , using energy
D. the movement of molecules up a concentration gradient from low to high , using no energy
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What is active transport?
A. The movement of molecules down a concentration gradients from high to...
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