Question:
Which of the following molecules can be classified under glycosphingolipid category?
Which of the following molecules can be classified under glycosphingolipid category?
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Remember that cerebrosides, sulfatides, and gangliosides are all glycosphingolipids because they contain one or more carbohydrate moieties attached to sphingosine.
Updated On: Jul 13, 2026
- Sphingomyelin
- Ceramide
- Sulfatide
- Lecithin
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Sphingolipids are structural membrane lipids containing the amino alcohol sphingosine.
They are classified based on the functional head group attached to the primary hydroxyl group of the sphingosine backbone.
Step 2: Detailed Explanation:
- Ceramide (B) is the simplest sphingolipid, containing only a fatty acid linked to the amino group of sphingosine (lacking a head group).
- Sphingomyelin (A) contains a phosphocholine or phosphoethanolamine head group, classifying it as a sphingophospholipid.
- Lecithin (D) is a synonym for phosphatidylcholine, which is a glycerophospholipid (not a sphingolipid).
- Sulfatide (C) is a sulfated galactocerebroside. It contains a galactose sugar linked to sphingosine, which is further modified with a sulfate group. Since it contains a sugar unit, it belongs to the acidic glycosphingolipid class.
Step 3: Final Answer:
Hence, Sulfatide belongs to the glycosphingolipid category.
Sphingolipids are structural membrane lipids containing the amino alcohol sphingosine.
They are classified based on the functional head group attached to the primary hydroxyl group of the sphingosine backbone.
Step 2: Detailed Explanation:
- Ceramide (B) is the simplest sphingolipid, containing only a fatty acid linked to the amino group of sphingosine (lacking a head group).
- Sphingomyelin (A) contains a phosphocholine or phosphoethanolamine head group, classifying it as a sphingophospholipid.
- Lecithin (D) is a synonym for phosphatidylcholine, which is a glycerophospholipid (not a sphingolipid).
- Sulfatide (C) is a sulfated galactocerebroside. It contains a galactose sugar linked to sphingosine, which is further modified with a sulfate group. Since it contains a sugar unit, it belongs to the acidic glycosphingolipid class.
Step 3: Final Answer:
Hence, Sulfatide belongs to the glycosphingolipid category.
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