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Novosadov [1.4K]
3 years ago
8

When a muscle cell demands energy to contract, what happens to ATP?

Biology
1 answer:
icang [17]3 years ago
6 0
C. ATP (Adenosine Triphosphate) has three phosphate groups attached. Each one of the groups occupies an extremely high energy bond (free energy that can do work). In muscle contraction, that high-energy bond is broken and the energy is released for muscle contraction. So when the bond is broken, you end up with ADP (Adenosine Dipohosphate) - broken down.
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