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During cellular respiration where is most of the CO 2 from the catabolism of glucose released? O the citric acid cycle O glycolysis O oxidation of pyruvate to acetyl-CoA electron transport

During cellular respiration where is most of the CO 2 from the catabolism of glucose released? O the citric acid cycle O glycolysis O oxidation of pyruvate to acetyl-CoA electron transport

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Cellular Respiration Question **Question 20:** During cellular respiration where is most of the CO₂ from the catabolism of glucose released? - a) the citric acid cycle - b) glycolysis - c) oxidation of pyruvate to acetyl-CoA - d) electron transport **Explanation:** This question is part of a quiz on cellular respiration. It aims to assess your understanding of the stages of cellular respiration where carbon dioxide (CO₂) is released. Each listed option represents a different stage or process within cellular respiration: - **Option A: the citric acid cycle** (also known as the Krebs cycle or TCA cycle) is where the majority of CO₂ is produced during the breakdown of glucose. - **Option B: glycolysis** is the first step in glucose metabolism but does not produce significant amounts of CO₂. - **Option C: oxidation of pyruvate to acetyl-CoA** is an intermediate step which produces CO₂, but not as much as the citric acid cycle. - **Option D: electron transport** is the final step in cellular respiration, involving the transfer of electrons, but it does not produce CO₂. Understanding where CO₂ is released during cellular respiration is crucial for comprehending how cells harvest and utilize energy from nutrients.
Transcribed Image Text:### Cellular Respiration Question **Question 20:** During cellular respiration where is most of the CO₂ from the catabolism of glucose released? - a) the citric acid cycle - b) glycolysis - c) oxidation of pyruvate to acetyl-CoA - d) electron transport **Explanation:** This question is part of a quiz on cellular respiration. It aims to assess your understanding of the stages of cellular respiration where carbon dioxide (CO₂) is released. Each listed option represents a different stage or process within cellular respiration: - **Option A: the citric acid cycle** (also known as the Krebs cycle or TCA cycle) is where the majority of CO₂ is produced during the breakdown of glucose. - **Option B: glycolysis** is the first step in glucose metabolism but does not produce significant amounts of CO₂. - **Option C: oxidation of pyruvate to acetyl-CoA** is an intermediate step which produces CO₂, but not as much as the citric acid cycle. - **Option D: electron transport** is the final step in cellular respiration, involving the transfer of electrons, but it does not produce CO₂. Understanding where CO₂ is released during cellular respiration is crucial for comprehending how cells harvest and utilize energy from nutrients.
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