Question

Sugar molecules can be oxidized in the cells of animals. This oxidation releases energy for the animal to use. From what source do the cells get these molecules?
A.
food
B.
air
C.
water
D.
sunlight

Answer 1

The sugar molecules that cells use for oxidation primarily come from **A. food**. Animals obtain sugars and other nutrients by consuming food, which their bodies then break down to release energy.