A Glucose Molecule Is Broken Down into Two Pyruvic Acid

question 68

Multiple Choice

A glucose molecule is broken down into two pyruvic acid molecules in

• A) glycolysis.
• B) the citric acid cycle.
• C) gluconeogenesis.
• D) the electron transport system.

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Definitions:

Cellular Respiration

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

ATP

Adenosine triphosphate, a molecule that carries energy within cells, supporting various cellular functions.

NADH

Nicotinamide adenine dinucleotide (reduced form), an important coenzyme in the body that participates in energy production through cellular respiration.

Carbon Dioxide

A transparent, smell-free gas that comes from burning carbon and compounds with carbon in them and is produced during respiration, which plants absorb in the photosynthesis process.