B. food
Cells in animals obtain sugar molecules primarily from the food they consume. These molecules, such as glucose, are a key source of energy through oxidation processes in cellular respiration.
A.
air
B.
food
C.
water
D.
sunlight
1 answer
B. food
Cells in animals obtain sugar molecules primarily from the food they consume. These molecules, such as glucose, are a key source of energy through oxidation processes in cellular respiration.