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Q. No.Which plant was used by Taylor to prove semiconservative replication at chromosomal level?
1. Haematoxylan
2. Vicia faba
3. Trillium
4. Ophioglossum
Subtopic: DNA Replication |
94%
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During polymerisation of deoxyribonucleosides triphosphates in bacteria which of the following enzymes is mainly required?
1. DNA dependent RNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent DNA polymerase
4. DNA gyrase
1. DNA dependent RNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent DNA polymerase
4. DNA gyrase
Subtopic: Transcription |
56%
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In a DNA molecule adenine of one strand base pairs with ______ on the other strand
1. Guanine
2. Thymine
3. Cytosine
4. Both (1) & (2)
1. Guanine
2. Thymine
3. Cytosine
4. Both (1) & (2)
Subtopic: DNA Double Helix |
89%
From NCERT
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Subtopic: DNA vs RNA as Genetic Material |
92%
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DNA polymerases catalyse polymerisation of / in
1. Ribonucleotides
2. 5' → 3' direction
3. 3' → 5' direction
4. Deoxyribonucleosides
1. Ribonucleotides
2. 5' → 3' direction
3. 3' → 5' direction
4. Deoxyribonucleosides
Subtopic: DNA Replication |
91%
From NCERT
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In the 5' end of a DNA molecule
1. The fifth carbon of pyrimidine base is free
2. The fifth carbon of purine base is free
3. The fifth carbon of pentose sugar is free
4. Both (1) & (3)
1. The fifth carbon of pyrimidine base is free
2. The fifth carbon of purine base is free
3. The fifth carbon of pentose sugar is free
4. Both (1) & (3)
Subtopic: The DNA |
66%
From NCERT
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Subtopic: The DNA |
91%
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During DNA replication which of the following does not act as substrates?
1. dATP
2. dCTP
3. dUTP
4. dGTP
1. dATP
2. dCTP
3. dUTP
4. dGTP
65%
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Out of the two strands of DNA one is carrying genetic information for transcription and it is called
1. Coding strand
2. Non template strand
3. Sense strand
4. Template strand
1. Coding strand
2. Non template strand
3. Sense strand
4. Template strand
Subtopic: Transcription |
77%
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Find out the incorrect match.
| 1. | UUU | - | Phenylalanine |
| 2. | UAG | - | Sense condon |
| 3. | GUG | - | Valine |
| 4. | UGG | - | Tryptophan |
Subtopic: Genetic Code |
80%
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