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Q. No.Which of the glycosidic linkage between galactose and glucose is present in lactose?
1. C-1 of galactose and C-4 of glucose
2. C-1 of glucose and C-6 of galactose
3. C-1 of glucose and C-4 of galactose
4. C-1 of galactose and C-6 of glucose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct structure of -anomer of maltose, among the following is:
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOut of the following, which type of interaction is responsible for the stabilisation of -helix structure of proteins?
| 1. | Ionic bonding | 2. | Hydrogen bonding |
| 3. | Covalent bonding | 4. | Vander Waals forces |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many chiral center(s) is/are present in threonine?
| 1. | Zero | 2. | One |
| 3. | Two | 4. | Three |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not an essential amino acid :
| 1. | Valine | 2. | Leucine |
| 3. | Lysine | 4. | Tyrosine |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is the number of stereocenters in the linear and cyclic forms of glucose, respectively?
| 1. | 4 & 4 | 2. | 4 & 5 |
| 3. | 5 & 4 | 4. | 5 & 5 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following bases is not present in DNA?
| 1. | Adenine | 2. | Cytosine |
| 3. | Thymine | 4. | Quinoline |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe secondary structure of a protein refers to:
1. α-Helical backbone
2. Hydrophobic interactions
3. Sequence of α-amino acids
4. Fixed configuration of the polypeptide backbone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe term anomers of glucose refer to:
| 1. | Isomers of glucose that differ in configurations at carbons one and four (C-1 and C-4) |
| 2. | A mixture of (D)-glucose and (L)-glucose |
| 3. | Enantiomers of glucose |
| 4. | Isomers of glucose that differ in configuration at carbon one (C-1) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn both DNA and RNA, heterocyclic base and phosphate ester linkages are at:
| 1. | C5' and C1' respectively of the sugar molecule. |
| 2. | C1' and C5' respectively of the sugar molecule. |
| 3. | C2' and C5' respectively of the sugar molecule. |
| 4. | C5' and C2' respectively of the sugar molecule. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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