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

32. Lipids

Fatty Acids

Organic Chemistry

32. Lipids

Fatty Acids

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Multiple Choice

How does a saturated fatty acid differ from an unsaturated fatty acid in terms of chemical structure?

Saturated fatty acids contain a carboxyl group, whereas unsaturated fatty acids do not.

Saturated fatty acids have a higher number of double bonds compared to unsaturated fatty acids.

Saturated fatty acids are typically liquid at room temperature, while unsaturated fatty acids are solid.

Saturated fatty acids have no double bonds between carbon atoms, while unsaturated fatty acids have one or more double bonds.

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Verified step by step guidance

Begin by understanding the basic structure of fatty acids. Fatty acids are long hydrocarbon chains with a carboxyl group (\(

COOH

\)) at one end.

Identify the key difference between saturated and unsaturated fatty acids: Saturated fatty acids have no double bonds between the carbon atoms in the hydrocarbon chain, while unsaturated fatty acids have one or more double bonds.

Visualize the structure: In saturated fatty acids, the carbon atoms are fully 'saturated' with hydrogen atoms, meaning each carbon atom is bonded to as many hydrogen atoms as possible. In unsaturated fatty acids, the presence of double bonds means fewer hydrogen atoms are bonded to the carbon chain.

Consider the physical properties: Saturated fatty acids tend to be solid at room temperature due to their straight chains, which allow them to pack closely together. Unsaturated fatty acids, with their kinks caused by double bonds, are typically liquid at room temperature.

Reflect on the implications of these structural differences: The presence of double bonds in unsaturated fatty acids can affect their reactivity and the way they interact with other molecules, influencing their role in biological systems and their nutritional properties.