Which of the following is true about Cholesterol?

1. It contains four fused hydrocarbon rings

2. Organic molecule

3. Hydroxyl group is present

4. All of these

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
 94%
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The molecule that provides stability to cell membrane is

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
 91%
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Which of the following is diagrammatic representation of phospholipid (lecithin)?

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
 92%
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Which one of the following biomolecules is correctly characterized?

1. Lecithin – a phosphorylated glyceride found in cell membrane

2. Palmitic acid – an unsaturated fatty acid with 18 carbon atoms

3. Adenylic acid – adenosine with a glucose and phosphate molecule

4. Alanine amino acid – contains an amino group and an acidic group anywhere in the molecule

Subtopic:  Lipids: Fatty Acids | Lipids: Glycerolipids, Phospholipids & Glycerol |
 72%
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Lecithin is formed by 

1. Fatty acid (2) + Phosphoric acid (1) + Ethanolamine 

2. Fatty acid (2) + Phosphoric acid (1) + Serine

3. Fatty acid (3) + Glycerol

4. Glycerol (1) + Fatty acid (2) + Phosphoric acid (1) + Choline 

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
 65%
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