How Many Molecules of Oxygen (O₂)are Consumed by the Complete

question 70

Multiple Choice

How many molecules of oxygen (O₂) are consumed by the complete oxidation of glucose (C₆H₁₂O₆) to carbon dioxide and water in aerobic respiration?

• A)1
• B)3
• C)6
• D)12
• E)36

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Definitions:

Respiration

The physiological process of exchanging gases between an organism's cells and its environment, involving oxygen intake and carbon dioxide expulsion.

Digestion

The biological process by which food is broken down into smaller components, eventually to be absorbed into the bloodstream.

Homeostasis

A state of steady internal, physical, and chemical conditions maintained by living systems.

Insulin

A hormone produced by the pancreas that helps regulate blood sugar levels by allowing cells to absorb glucose.