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Q. No.At which position in the ribose is an additional –OH present [with respect to Deoxyribose]?
1. 1’ 2. 2’ 3. 3’ 4. 5’
Subtopic: The DNA |
78%
Level 2: 60%+
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Watson and Crick based their model of DNA on X-ray diffraction data produced by:
1. Hershey and Chase
2. Marie Curie and Pierre Curie
3. Franklin and Wilkins
4. Meselson and Stahl
1. Hershey and Chase
2. Marie Curie and Pierre Curie
3. Franklin and Wilkins
4. Meselson and Stahl
Subtopic: DNA Double Helix |
89%
Level 1: 80%+
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In a transcription unit, with respect to structural genes, the promoter is located:
| 1. | Upstream and 5’ | 2. | Upstream and 3’ |
| 3. | Downstream and 5’ | 3. | Downstream and 3’ |
Subtopic: Transcription: I |
76%
Level 2: 60%+
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Subtopic: Genetic Code: I | Genetic Code: II |
94%
Level 1: 80%+
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DNA-dependent RNA polymerase catalyzes polymerization in:
| 1. | Only in 3’ – 5’ direction |
| 2. | Only in 5’ – 3’ direction |
| 3. | In both directions |
| 4. | In neither directions |
Subtopic: Transcription |
85%
Level 1: 80%+
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Frederick Griffith discovered:
| 1. | DNA is the genetic material |
| 2. | RNA can be the genetic material |
| 3. | Streptococcus has two strains |
| 4. | Bacterial transformation |
Subtopic: Search for Genetic Material |
72%
Level 2: 60%+
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In Avery, Macleod, and McCarty's experiment, the transformation of bacteria was inhibited by:
| 1. | Proteases | 2. | RNase |
| 3. | DNAs | 4. | None of these |
Subtopic: Search for Genetic Material |
Level 3: 35%-60%
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If each strand of a dsDNA acts as a template for a new strand, the two daughter DNAs will be:
| 1. | Complementary to each other |
| 2. | Identical to the parental DNA |
| 3. | Similar to each other |
| 4. | Complementary to the parental DNA |
Subtopic: DNA Double Helix |
Level 3: 35%-60%
Hints
Which of the following is a pyrimidine base found in DNA?
| 1. | Adenine | 2. | Guanine |
| 3. | Uracil | 4. | Cytosine |
Subtopic: The DNA |
84%
Level 1: 80%+
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Subtopic: Translation |
76%
Level 2: 60%+
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