The stages of cellular respiration that produce NADH but not FADH₂ are glycolysis and pyruvate oxidation.

1. Glycolysis: This is the first stage of cellular respiration. During glycolysis, one molecule of glucose is broken down into two molecules of pyruvate. In the process, two NAD+ molecules are reduced to form two NADH molecules. No FADH₂ is produced in this stage.

2. Pyruvate Oxidation: This is the link reaction between glycolysis and the citric acid cycle. Each pyruvate molecule is converted into an Acetyl CoA molecule, and in the process, another NAD+ is reduced to NADH. Again, no FADH₂ is produced in this stage.

The citric acid cycle and oxidative phosphorylation, on the other hand, do produce FADH₂.

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The stages of cellular respiration that produce NADH but not FADH₂ are glycolysis and pyruvate oxidation.

1. Glycolysis: This is the first stage of cellular respiration. During glycolysis, one molecule of glucose is broken down into two molecules of pyruvate. In the process, two NAD+ molecules are reduced to form two NADH molecules. No FADH₂ is produced in this stage.

2. Pyruvate Oxidation: This is the link reaction between glycolysis and the citric acid cycle. Each pyruvate molecule is converted into an Acetyl CoA molecule, and in the process, another NAD+ is reduced to NADH. Again, no FADH₂ is produced in this stage.

The citric acid cycle and oxidative phosphorylation, on the other hand, do produce FADH₂.

Knowee AI · Accepted Answer

The stages of cellular respiration that produce NADH but not FADH₂ are glycolysis and pyruvate oxidation.

1. Glycolysis: This is the first stage of cellular respiration. During glycolysis, one molecule of glucose is broken down into two molecules of pyruvate. In the process, two NAD+ molecules are reduced to form two NADH molecules. No FADH₂ is produced in this stage.

2. Pyruvate Oxidation: This is the link reaction between glycolysis and the citric acid cycle. Each pyruvate molecule is converted into an Acetyl CoA molecule, and in the process, another NAD+ is reduced to NADH. Again, no FADH₂ is produced in this stage.

The citric acid cycle and oxidative phosphorylation, on the other hand, do produce FADH₂.

Which stage(s) of cellular respiration produces NADH, but not FADH₂?Group of answer choicespyruvate oxidationoxidative phosphorylationcitric acid cycleglycolysis

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