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

Sphingomyelins

Organic Chemistry

32. Lipids

Sphingomyelins

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Multiple Choice

Which one of the following statements describes how sphingomyelins are similar to glycerophospholipids?

Sphingomyelins have the same number of fatty acids as glycerophospholipids.

Sphingomyelins and glycerophospholipids have the same linkage that holds the fatty acids.

Sphingomyelins and glycerophospholipids have phosphate with head groups.

Both can be classified as sphingolipids.

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Verified step by step guidance

Begin by understanding the structure of sphingomyelins and glycerophospholipids. Sphingomyelins are a type of sphingolipid that contain a sphingosine backbone, whereas glycerophospholipids have a glycerol backbone.

Identify the common structural features between sphingomyelins and glycerophospholipids. Both types of lipids contain a phosphate group attached to their backbone, which is crucial for their function in biological membranes.

Examine the head groups attached to the phosphate group. In both sphingomyelins and glycerophospholipids, the phosphate group can be linked to various head groups, such as choline, ethanolamine, or serine, which contribute to the diversity of these lipids.

Consider the classification of these lipids. While sphingomyelins are classified as sphingolipids due to their sphingosine backbone, glycerophospholipids are not classified as sphingolipids because they have a glycerol backbone.

Conclude by recognizing the key similarity: both sphingomyelins and glycerophospholipids have a phosphate group with head groups, which is a defining feature of their structure and function in cell membranes.