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Phoenix [80]
2 years ago
14

14. Elizabeth is getting ready to run a marathon. She's hoping that the ATP in her body is good for

Biology
2 answers:
soldier1979 [14.2K]2 years ago
8 0

Answer:

D

Explanation:

drek231 [11]2 years ago
4 0

Answer:

A / D

Explanation:

It can only provide energy for brief periods of time—eight to ten seconds. The system can be accessed a number of times, but will eventually exhaust the “built-in” supply of ATP - even with the help of the Creatine Phosphate molecule. And it's energy density is incredibly low. It is a big molecule with a molecular weight of 507. yet all the usable energy is in the two terminal phosphate groups.

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