Chapter 17: Problem 10

Name the three stages of the cell respiration of glucose and state where in the cell each takes place and whether or not oxygen is required. (p. 403 )

Short Answer

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Answer: The three stages of cellular respiration of glucose are 1) Glycolysis, 2) Krebs Cycle (Citric Acid cycle or TCA cycle), and 3) Oxidative Phosphorylation (Electron Transport Chain). Glycolysis takes place in the cytoplasm and does not require oxygen. The Krebs Cycle occurs in the mitochondrial matrix and does not directly use oxygen but requires its presence for the Electron Transport Chain to function efficiently. Oxidative Phosphorylation occurs in the inner mitochondrial membrane and requires oxygen as the final electron acceptor.

Step by step solution

Identify the three stages of cellular respiration of glucose

The three stages are: 1) Glycolysis, 2) Krebs Cycle (Citric Acid cyle or TCA cycle), and 3) Oxidative Phosphorylation (Electron Transport Chain).

Locate where each stage takes place within the cell

1) Glycolysis takes place in the cytoplasm; 2) Krebs Cycle takes place in the mitochondrial matrix; 3) Oxidative Phosphorylation takes place in the inner mitochondrial membrane.

Identify if oxygen is required at each stage

1) Glycolysis does not require oxygen and can proceed anaerobically (with or without O2). 2) Krebs Cycle does not directly use oxygen, but it requires the presence of O2 for the efficient functioning of the Electron Transport Chain (ETC). 3) Oxidative Phosphorylation requires oxygen as it is the final electron acceptor in the ETC.

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Name the three stages of the cell respiration of glucose and state where in the cell each takes place and whether or not oxygen is required. (p. 403 )

Short Answer

Step by step solution

Identify the three stages of cellular respiration of glucose

Locate where each stage takes place within the cell

Identify if oxygen is required at each stage

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