Table of contents

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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

Acids and Bases

Organic Chemistry

3. Acids and Bases

Acids and Bases

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Multiple Choice

How does pH affect the structure and function of an enzyme?

pH only affects the enzyme's function but not its structure.

pH can alter the enzyme's active site, affecting its ability to bind substrates.

pH changes can increase the enzyme's stability and activity.

pH has no effect on enzyme structure or function.

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Verified step by step guidance

Understand that enzymes are proteins that act as catalysts in biochemical reactions, and their activity is highly dependent on their three-dimensional structure.

Recognize that the active site of an enzyme is the region where substrate molecules bind and undergo a chemical reaction. The shape and charge of the active site are crucial for enzyme function.

Learn that pH can affect the ionization of amino acid side chains in the enzyme, particularly those in the active site, which can alter the enzyme's shape and charge properties.

Realize that changes in pH can lead to denaturation, where the enzyme loses its specific structure, thus affecting its ability to bind substrates and catalyze reactions effectively.

Conclude that pH can indeed affect both the structure and function of an enzyme by altering the active site and overall stability, which in turn influences the enzyme's activity and efficiency.