Question:
Which of the following is a glycolipid?
Which of the following is a glycolipid?
Updated On: Nov 27, 2025
- Cerebroside
- Phosphatidylcholine
- Phosphatidylserine
- Cardiolipin
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The Correct Option is A
Solution and Explanation
To determine which of the given options is a glycolipid, we need to understand what glycolipids are. Glycolipids are compounds consisting of a carbohydrate covalently bonded with a lipid. They are key components of the cell membrane, contributing to cell recognition and signaling.
- Cerebroside: Cerebrosides are a type of glycolipid and are made of a single sugar molecule linked to a ceramide. They are found in the brain and nerve tissues. Hence, cerebroside is indeed a glycolipid.
- Phosphatidylcholine: This is a phospholipid, not a glycolipid. It consists of a choline head group attached to a glycerophosphoric acid molecule, important for cell membrane structure.
- Phosphatidylserine: This also belongs to the class of phospholipids, not glycolipids. It contains a serine group attached to glycerophosphoric acid.
- Cardiolipin: Cardiolipin is another phospholipid, mainly found in the mitochondria. It does not contain any sugar moiety, so it is not a glycolipid.
Conclusion: Based on the definitions and characteristics of the options given, Cerebroside is the correct choice as it fits the definition of a glycolipid. The other substances listed are phospholipids, which are a different category of lipids.
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