cytosis and exocytosis are forms of active transport. What is active transport?(1 point)

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the movement of molecules up a concentration gradient from low to high, using energy
the movement of molecules up a concentration gradient from low to high, using energy

the movement of molecules down a concentration gradient from high to low, using no energy
the movement of molecules down a concentration gradient from high to low, using no energy

the movement of molecules down a concentration gradient from high to low, using energy
the movement of molecules down a concentration gradient from high to low, using energy

the movement of molecules up a concentration gradient from low to high, using no energy
the movement of molecules up a concentration gradient from low to high, using no energy
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Answer 1

the movement of molecules up a concentration gradient from low to high, using energy