To power its needs, your body must convert the energy in food to a readily usable form known as
a. digestion.
b. photosynthesis.
c. adenosine diphosphate.
d. adenosine triphosphate.

D (Adenosine triphosphate)

Explanation:

ATP, is an energy carrying molecule found in all living cells. It is used to power all cellular activity.

Our body ultimately stores most food molecules we ingest as glycogen, which is converted to glucose by an enzyme called glucagon. This glucose molecule is broken down into lactic acid in order to produce ATP in a process called glycolysis.