Which statement accurately describes aerobic respiration?

Study for the WGU BIO1010 C190 Introduction to Biology Exam. Enhance your understanding with detailed flashcards and multiple-choice questions including hints and explanations. Prepare effectively for your exam!

Aerobic respiration is a metabolic process that takes place in the presence of oxygen and utilizes glucose as a primary energy source. It is characterized by a series of biochemical reactions that occur in the mitochondria of cells. The process involves glycolysis, the citric acid cycle, and the electron transport chain, ultimately leading to the production of adenosine triphosphate (ATP), the energy currency of the cell.

The statement that it produces more energy compared to anaerobic respiration is accurate; aerobic respiration generates significantly more ATP—up to approximately 36-38 ATP molecules per glucose molecule—while anaerobic respiration yields only 2 ATP molecules. This efficiency is due to the complete oxidation of glucose in the presence of oxygen, unlike anaerobic processes that only partially metabolize glucose and produce byproducts like lactic acid or ethanol.

The requirement of oxygen is crucial, as it serves as the final electron acceptor in the electron transport chain, allowing the process to proceed efficiently. Thus, the correct characterization of aerobic respiration includes both the necessity for oxygen and its higher energy yield compared to anaerobic processes.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy