Asked by Daniel Brown on Jun 19, 2024

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In which step(s) of the catabolism of nutrients is/are oxygen directly consumed?

A) Krebs cycle
B) Oxidative phosphorylation
C) Krebs cycle and oxidative phosphorylation
D) Glycolysis
E) Glycolysis and the Krebs cycle

Oxidative Phosphorylation

A process occurring in mitochondria that uses oxygen and high-energy electrons to produce ATP and water.

Krebs Cycle

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 water.

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration in animals and plants and a component of the Earth's atmosphere.

  • Delineate the sequence of reactions in the breakdown of food molecules and their link to the synthesis of ATP.
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RS
Rhiannon SmithJun 22, 2024
Final Answer :
B
Explanation :
Oxygen is directly consumed during oxidative phosphorylation, where it acts as the final electron acceptor in the electron transport chain, leading to the production of water.