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Q. No.Subtopic: Amino Acids |
70%
Level 2: 60%+
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The chitinous exoskeleton of arthropods is formed by the polymerisation of–
1. D- glucosamine
2. N- acetyl glucosamine
3. Lipoglycans
4. Keratin sulphate and chondroitin sulphate
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
88%
Level 1: 80%+
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Which of the following organic compounds is the main constituent of Lecithin?
| 1. | Arachidonic acid | 2. | Phospholipid |
| 3. | Cholesterol | 4. | Phosphoprotein |
Subtopic: Lipids | Introduction | Lipids: Glycerolipids, Phospholipids & Glycerol |
87%
Level 1: 80%+
NEET - 2019
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Prosthetic groups differ from co-enzymes, in which:
| 1. | they require metal ions for their activity. |
| 2. | they (prosthetic groups) are tightly bound to apoenzymes. |
| 3. | their association with apoenzymes is transient. |
| 4. | they can serve as co-factors in a number of enzyme-catalyzed reactions. |
Subtopic: Enzyme Cofactors |
82%
Level 1: 80%+
NEET - 2019
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"Ramachandran plot" is used to confirm the structure of:
1. RNA
2. Proteins
3. Triacylglycerides
4. DNA
Subtopic: Introduction | Introduction to Proteins |
69%
Level 2: 60%+
NEET - 2019
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All the following statements about cellulose are correct, except
| 1. | Cellulose is homopolymer |
| 2. | it is the most abundant organic molecule in the biosphere |
| 3. | It is branched polymer of -glucose |
| 4. | It has 1-4 glycosidic bonds |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
51%
Level 3: 35%-60%
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Which of the following cofactor is essential for the proteolytic enzyme carboxypeptidase?
| 1. | Zinc | 2. | Copper |
| 3. | Magnesium | 4. | Iron |
Subtopic: Enzyme Cofactors |
88%
Level 1: 80%+
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Subtopic: Enzyme Cofactors |
87%
Level 1: 80%+
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The essential chemical components of many coenzymes are
| 1. | Metal ions | 2. | Vitamins |
| 3. | Heme | 4. | NAD and NADP |
Subtopic: Enzyme Cofactors |
73%
Level 2: 60%+
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Which of the following organic compound association with the apoenzyme is only transient?
| 1. | Prosthetic group | 2. | Coenzymes |
| 3. | Metal ions | 4. | Both A and B |
Subtopic: Enzyme Cofactors |
67%
Level 2: 60%+
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