Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 5 - No. 42)
What is the role of ATP in active transport?
It carries the molecules across the membrane.
It provides the energy needed for the transport.
It acts as a channel protein.
It binds to the solute molecules.
Explanation
ATP (adenosine triphosphate) provides the energy necessary for active transport to move molecules against a concentration gradient.
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