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Q. No.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 |
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Subtopic: Genetic Code: I | Genetic Code: II |
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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%
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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 |
79%
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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 |
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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 |
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Which of the following is a pyrimidine base found in DNA?
| 1. | Adenine | 2. | Guanine |
| 3. | Uracil | 4. | Cytosine |
Subtopic: The DNA |
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Subtopic: Translation |
78%
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A typical nucleosome unit consists of about:
| 1. | 60 base pairs | 2. | 140 base pairs |
| 3. | 200 base pairs | 4. | 400 base pairs |
Subtopic: DNA Packaging |
94%
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At any instant, RNA is transcribed on which of the following strands of DNA?
| 1. | Coding strand | 2. | Template strand |
| 3. | Lagging strand | 4. | Leading strand |
Subtopic: Transcription: I |
83%
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