Question

what activity is not one of the cell’s uses of atp?
active transport across membranes
atp synthesis
muscle contraction
anabolic reactions

Explanation:

Active transport, muscle contraction, and anabolic reactions all require ATP as an energy source. ATP synthesis is the process of producing ATP (using energy from processes like cellular respiration), not a use of ATP. Thus, ATP synthesis is not a cell's use of ATP.

Answer:

B. ATP synthesis