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

Hydrolysis of which covalent bonds in ATP releases a considerable amount of energy?

Glycosidic bonds

Phosphoanhydride bonds

Peptide bonds

Ester bonds

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Verified step by step guidance

Identify the structure of ATP (adenosine triphosphate), which consists of an adenosine molecule bonded to three phosphate groups.

Understand that ATP contains different types of covalent bonds, including phosphoanhydride bonds between the phosphate groups, a glycosidic bond between the ribose sugar and adenine, and ester bonds between the ribose and the first phosphate group.

Recognize that the hydrolysis of ATP involves breaking one of the phosphoanhydride bonds, typically between the gamma (γ) and beta (β) phosphate groups, to release energy.

Explain that phosphoanhydride bonds are high-energy bonds due to the repulsion between the negatively charged phosphate groups and the stabilization of the products (ADP and inorganic phosphate) after hydrolysis.

Conclude that the considerable amount of energy released during ATP hydrolysis is primarily due to the breaking of phosphoanhydride bonds, not glycosidic, peptide, or ester bonds.