Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

21. The Generation of Biochemical Energy

Coenzymes in Metabolism

GOB Chemistry

21. The Generation of Biochemical Energy

Coenzymes in Metabolism

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Multiple Choice

Is the following reaction an oxidation or reduction? Which coenzyme would be carrying this out, NAD+ or NADH?

oxidation, NAD⁺

oxidation, NADH

reduction, NAD⁺

reduction, NADH

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Verified step by step guidance

Identify the chemical structures involved in the reaction. The image shows malate being converted to oxaloacetate.

Examine the structural change from malate to oxaloacetate. Notice that the hydroxyl group (-OH) on the second carbon in malate is converted to a carbonyl group (C=O) in oxaloacetate.

Understand the concept of oxidation and reduction. Oxidation involves the loss of electrons or an increase in oxidation state, while reduction involves the gain of electrons or a decrease in oxidation state.

Determine the type of reaction. The conversion of an alcohol group to a carbonyl group involves the loss of hydrogen atoms, which is characteristic of oxidation.

Identify the coenzyme involved. NAD+ is typically involved in oxidation reactions, where it accepts electrons and is reduced to NADH.