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

ATP and Energy

Organic Chemistry

33. The Organic Chemistry of Metabolic Pathways

ATP and Energy

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Multiple Choice

Which of the following reactions directly provides chemical energy for most cell functions?

Hydrolysis of ATP to ADP and inorganic phosphate

Formation of peptide bonds during protein synthesis

Conversion of glucose to glycogen

Oxidation of NADH to NAD+

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Verified step by step guidance

Understand the role of ATP in cellular processes: ATP (adenosine triphosphate) is the primary energy carrier in cells. Its hydrolysis releases energy that can be used for various cellular functions.

Examine the hydrolysis of ATP: The reaction involves breaking the bond between the second and third phosphate groups in ATP, forming ADP (adenosine diphosphate) and inorganic phosphate (Pi). This process releases energy.

Compare the energy release in ATP hydrolysis with other reactions: Formation of peptide bonds, conversion of glucose to glycogen, and oxidation of NADH to NAD+ are important biochemical processes, but they do not directly provide energy in the same immediate way as ATP hydrolysis.

Consider the role of ATP hydrolysis in energy coupling: ATP hydrolysis is often coupled with endergonic reactions in the cell, providing the necessary energy to drive these processes forward.

Conclude that ATP hydrolysis is the direct source of chemical energy for most cell functions: While other reactions are crucial for metabolism and energy storage, ATP hydrolysis is the immediate source of energy for cellular activities.