Q. No.Adenine and guanine are:
1. Substituted purines
2. Substituted pyrimidines
3. Deoxyribonucleosides
4. Ribonucleotides
1. Substituted purines
2. Substituted pyrimidines
3. Deoxyribonucleosides
4. Ribonucleotides
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The first amino acid in the primary structure of a protein is termed as:
| 1. | C – terminus amino acid | 2. | N – terminus amino acid |
| 3. | An imino acid | 4. | Alpha amino acid |
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Quaternary structure is seen in proteins that:
1. act as biochemical catalysts
2. are embedded within the plasma membrane
3. are assembly of more than one subunits
4. do not have any structural role in the cell
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The double helix model of DNA by Watson and Crick exhibits its:
| 1. | Primary structure | 2. | Secondary structure |
| 3. | Tertiary structure | 4. | Quaternary structure |
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The strands of the DNA double helix are:
| 1. | identical | 2. | coiled around each other |
| 3. | parallel to each other | 4. | complementary to each other |
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At each step of ascent, the helical strand of DNA turns
| 1. | 36 degree | 2. | 34 degree |
| 3. | 20 degree | 4. | 180 degree |
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The compound from which cholesterol is formed is:
1. Mevalonic acid
2. Butyric acid
3. Alpha ketoglutaric acid
4. Acetic acid
The blood concentration of blood glucose in a normal healthy human ranges between:
1. 4.5 – 5.0 mM
2. 45 – 50 mM
3. 70 – 100 nM
4. 100 – 150 mM
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The correct adjective for “living state” would be:
1. An equilibrium steady state
2. An equilibrium non steady state
3. A non equilibrium steady state
4. A non equilibrium non steady state
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