Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism

Pyruvate Oxidation

Biochemistry

Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism

Pyruvate Oxidation

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Multiple Choice

Which of the following correctly indicates the cellular location where pyruvate oxidation occurs?

On the inner mitochondrial membrane

In the cytoplasm

In the mitochondrial matrix

In the endoplasmic reticulum

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Verified step by step guidance

Understand the process of pyruvate oxidation: Pyruvate oxidation is a key step in cellular respiration where pyruvate is converted into acetyl-CoA, releasing carbon dioxide and generating NADH.

Recall the cellular location of pyruvate oxidation: Pyruvate oxidation occurs in eukaryotic cells within the mitochondria, specifically in the mitochondrial matrix.

Eliminate incorrect options: The inner mitochondrial membrane is involved in the electron transport chain, not pyruvate oxidation. The cytoplasm is where glycolysis occurs, and the endoplasmic reticulum is involved in protein and lipid synthesis, not pyruvate oxidation.

Confirm the correct answer: The mitochondrial matrix is the site where pyruvate dehydrogenase complex catalyzes the conversion of pyruvate to acetyl-CoA.

Summarize the reasoning: Based on the biochemical pathway and cellular compartmentalization, pyruvate oxidation occurs in the mitochondrial matrix, making it the correct answer.