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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

The difference between lectin and lecithin is:

Options

  1. ALectin is a secondary metabolite while lecithin is a phospholipid.
  2. BLectin is a fat binding protein while lecithin is a phospholipid.
  3. CLectin is a phospholipid with choline while lecithin is a carbohydrate-binding protein.
  4. DLectin is a phospholipid while lecithin is a secondary metabolite.

Correct answer

A. Lectin is a secondary metabolite while lecithin is a phospholipid.

Step-by-step solution

The main differentiating factor between lectin and lecithin is that lectin is a secondary metabolite. Concanavalin A is a plant protein which binds with carbohydrate whereas lecithin is a fatty substance which is found in plant and animal tissues. Lectin, due to its ability to bind with carbohydrate reduces nutrient absorption. Lecithin itself is an essential fatty nutrient, a major component of phosphatidylcholine with the ability to lower the bad cholesterol in the body.

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