The TCA cycle, also known as the citric acid cycle or Krebs cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide and chemical energy in the form of adenosine triphosphate (ATP).

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The TCA Cycle

Question 63

Multiple Choice

The TCA cycle

A) is responsible for the production of carbohydrates via photosynthesis.
B) represents a series of chemical reactions that break down cellulose to produce glucose.
C) represents a series of chemical reactions that assist in extracting energy from glucose.
D) describes how enzymes act as catalysts.
E) describes the unfolding of proteins.

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