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

3. Acids and Bases

Organic Chemistry Reactions

Organic Chemistry

3. Acids and Bases

Organic Chemistry Reactions

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Multiple Choice

In the context of organic chemistry reactions, how does an allosteric inhibitor affect enzyme activity?

It increases the enzyme's affinity for the substrate, enhancing reaction rate.

It binds to the active site of the enzyme, preventing substrate binding.

It binds to a site other than the active site, causing a conformational change that reduces enzyme activity.

It competes with the substrate for the active site, directly blocking substrate access.

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Verified step by step guidance

Understand the role of enzymes in organic chemistry: Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to proceed.

Define allosteric inhibition: An allosteric inhibitor is a molecule that binds to an enzyme at a site other than the active site, known as the allosteric site.

Explain the effect of allosteric binding: When an allosteric inhibitor binds to the allosteric site, it induces a conformational change in the enzyme's structure.

Discuss the impact on enzyme activity: This conformational change can reduce the enzyme's activity by altering the shape of the active site, making it less effective at binding to the substrate.

Clarify the difference from competitive inhibition: Unlike competitive inhibitors, which bind to the active site and directly block substrate access, allosteric inhibitors do not compete with the substrate for the active site.