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

1. A Review of General Chemistry

Intro to Organic Chemistry

Organic Chemistry

1. A Review of General Chemistry

Intro to Organic Chemistry

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Multiple Choice

Why are viruses unable to perform any metabolic functions independently?

Viruses can perform metabolism only in the presence of oxygen.

Viruses have their own metabolic pathways but choose not to use them.

Viruses rely on their own ribosomes for metabolic functions.

Viruses lack the necessary cellular machinery for metabolism.

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Verified step by step guidance

Understand the basic structure of viruses: Viruses are composed of genetic material (either DNA or RNA) surrounded by a protein coat, and sometimes a lipid envelope. They lack cellular components such as organelles, which are necessary for metabolism.

Recognize the role of cellular machinery in metabolism: Metabolic functions require complex cellular machinery, including enzymes, ribosomes, and organelles like mitochondria, which viruses do not possess.

Identify the dependency of viruses on host cells: Viruses must infect host cells to replicate and perform metabolic functions. They hijack the host's cellular machinery to synthesize viral proteins and replicate their genetic material.

Clarify the misconception about oxygen and ribosomes: Viruses do not perform metabolism in the presence of oxygen independently, nor do they have their own ribosomes. They rely entirely on the host cell's ribosomes for protein synthesis.

Conclude with the correct understanding: Viruses lack the necessary cellular machinery for metabolism, which is why they cannot perform any metabolic functions independently.