In the presence of oxygen, cells breakdown _____ from the food to produce water, carbon dioxide, and energy.
A
proteins
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B
fats
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C
amino acids
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D
glucose
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Solution
The correct option is D glucose Cells breakdown glucose to produce water and carbon dioxide. Energy is released in the form of ATP. This process is called cellular respiration. When this process happens in the presence of oxygen, it is called aerobic respiration and when it happens in the absence of oxygen, it is called anaerobic respiration. It can be summarised as: C6H6O6+6O2→6CO2+6H2O+38ATP