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Q. No.Subtopic: Enzyme Cofactors |
90%
Level 1: 80%+
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Adenine and guanine are:
| 1. | Substituted purines | 2. | Substituted pyrimidines |
| 3. | Deoxyribonucleosides | 4. | Ribonucleotides |
Subtopic: Nucleic Acid |
89%
Level 1: 80%+
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Subtopic: The DNA |
84%
Level 1: 80%+
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Sugars are technically called carbohydrates, referring to the fact that their formulae are only multiples of C(H2O). Hexose therefore has six carbons, twelve hydrogen and six oxygen atoms. Glucose is a hexose. Choose from among the following another hexose.
| 1. | Fructose | 2. | Erythrose |
| 3. | Ribulose | 4. | Ribose |
Subtopic: Carbohydrates |
82%
Level 1: 80%+
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Chitin, a complex polysachharide is found in:
| 1. | Plant cell wall |
| 2. | The exoskeleton of arthropods and cell walls of most fungi |
| 3. | Bacterial cell wall |
| 4. | Cartilage and other connective tissue |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
95%
Level 1: 80%+
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Subtopic: Introduction |
86%
Level 1: 80%+
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Subtopic: Carbohydrates: Starch & Glycogen |
88%
Level 1: 80%+
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A glycosidic bond connects :
| 1. | two monosaccharides |
| 2. | two amino acids |
| 3. | two fatty acids |
| 4. | a fatty acid and a glycerol |
Subtopic: Carbohydrates: Glycosidic Bond & Disaccharide |
83%
Level 1: 80%+
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The triple helix structure of collagen was discovered by:
| 1. | G. N. Ramachandran | 2. | Y. S. Subbarao |
| 3. | C. V. Raman | 4. | S. Chandrashekhar |
Subtopic: Proteins |
87%
Level 1: 80%+
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The chitinous exoskeleton of arthropods is formed by the polymerisation of
| 1. | Lipoglycans |
| 2. | Keratin sulphate and chondroitin sulphate |
| 3. | D-glucosamine |
| 4. | N-acetyl glucosamine |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
84%
Level 1: 80%+
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