Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

33. The Organic Chemistry of Metabolic Pathways

Coenzymes in Metabolism

Organic Chemistry

33. The Organic Chemistry of Metabolic Pathways

Coenzymes in Metabolism

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Multiple Choice

Which of the following is not a coenzyme involved in metabolic reactions?

NAD+

Coenzyme A

ATP

FAD

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Verified step by step guidance

Understand the role of coenzymes in metabolic reactions. Coenzymes are organic non-protein molecules that bind to enzymes and assist in enzyme activity. They are often derived from vitamins and are crucial for the catalysis of biochemical reactions.

Identify the common coenzymes involved in metabolic reactions. NAD+ (Nicotinamide adenine dinucleotide) and FAD (Flavin adenine dinucleotide) are both coenzymes that play a role in redox reactions, transferring electrons in metabolic pathways such as cellular respiration.

Recognize the function of Coenzyme A. Coenzyme A is involved in the synthesis and oxidation of fatty acids, and the metabolism of carbohydrates and amino acids. It acts as a carrier of acyl groups in metabolic reactions.

Examine the role of ATP (Adenosine triphosphate). ATP is primarily known as the energy currency of the cell, providing energy for various cellular processes. It is not typically classified as a coenzyme because its primary function is energy transfer rather than assisting enzyme activity.

Conclude that ATP is not a coenzyme involved in metabolic reactions, as its main role is to provide energy rather than assist enzymes in catalysis.