Question:
Lecithin is a:
Lecithin is a:
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Lecithin is phosphatidylcholine. Since choline contains nitrogen, lecithin is classified as a nitrogenous phosphoglyceride.
Updated On: Jun 19, 2026
- Phosphoaminoglycoside
- Phosphoglyceride without nitrogen
- Phosphotriglyceride
- Nitrogenous phosphoglyceride
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The Correct Option is D
Solution and Explanation
Step 1: Understand lecithin.
Lecithin is a phospholipid.
It is an important component of biological membranes.
Chemically, lecithin is also called phosphatidylcholine.
Step 2: Identify its structure.
Lecithin contains glycerol, fatty acids, phosphate group and choline.
Choline contains nitrogen.
Therefore, lecithin is a nitrogen-containing phospholipid.
Step 3: Relate it with phosphoglycerides.
Since lecithin contains glycerol and phosphate, it belongs to phosphoglycerides.
Since it also contains nitrogenous choline, it is called a nitrogenous phosphoglyceride.
Step 4: Analyze the options.
It is not a phosphoaminoglycoside.
It is not phosphoglyceride without nitrogen because choline contains nitrogen.
It is not called phosphotriglyceride because triglycerides do not contain phosphate in the same way.
So, the most appropriate answer is nitrogenous phosphoglyceride.
Step 5: Final conclusion.
Hence, lecithin is \[ \boxed{\text{Nitrogenous phosphoglyceride}} \]
Lecithin is a phospholipid.
It is an important component of biological membranes.
Chemically, lecithin is also called phosphatidylcholine.
Step 2: Identify its structure.
Lecithin contains glycerol, fatty acids, phosphate group and choline.
Choline contains nitrogen.
Therefore, lecithin is a nitrogen-containing phospholipid.
Step 3: Relate it with phosphoglycerides.
Since lecithin contains glycerol and phosphate, it belongs to phosphoglycerides.
Since it also contains nitrogenous choline, it is called a nitrogenous phosphoglyceride.
Step 4: Analyze the options.
It is not a phosphoaminoglycoside.
It is not phosphoglyceride without nitrogen because choline contains nitrogen.
It is not called phosphotriglyceride because triglycerides do not contain phosphate in the same way.
So, the most appropriate answer is nitrogenous phosphoglyceride.
Step 5: Final conclusion.
Hence, lecithin is \[ \boxed{\text{Nitrogenous phosphoglyceride}} \]
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