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

34. Nucleic Acids

Intro to Nucleic Acids

Organic Chemistry

34. Nucleic Acids

Intro to Nucleic Acids

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Multiple Choice

What is the primary structural difference between ribonucleic acid (RNA) and deoxyribonucleic acid (DNA)?

RNA is double-stranded, whereas DNA is single-stranded.

RNA has a ribose sugar, while DNA has a deoxyribose sugar.

RNA is more stable than DNA due to its sugar structure.

RNA contains uracil instead of thymine.

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Verified step by step guidance

Identify the sugar component in both RNA and DNA. RNA contains ribose sugar, while DNA contains deoxyribose sugar. The key difference is the presence of an -OH group on the 2' carbon in ribose, whereas deoxyribose has an -H at the same position.

Examine the nitrogenous bases present in RNA and DNA. RNA contains uracil as one of its bases, whereas DNA contains thymine. This substitution is a primary structural difference between the two nucleic acids.

Consider the strand structure of RNA and DNA. RNA is typically single-stranded, allowing it to fold into various shapes, while DNA is usually double-stranded, forming a stable double helix structure.

Evaluate the stability of RNA and DNA. DNA is generally more stable than RNA due to the absence of the 2' -OH group, which makes RNA more prone to hydrolysis.

Summarize the primary structural differences: RNA has ribose sugar and uracil, is single-stranded, and less stable; DNA has deoxyribose sugar and thymine, is double-stranded, and more stable.