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Q. No.Statement A : During transcription a nucleic acid is copied form another nucleic acid.
Statement B : The primary transcripts contain both the exons and the introns and are non-functional.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Subtopic: Transcription |
75%
From NCERT
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If there are \(24 \times 10^8\) bp in an eukaryotic cell, then what will be the number of nucleosomes present in the nucleus?
1. \(12 \times 10^6 \)
2. \(12 \times 10^8\)
3. \(1.2 \times 10^8\)
4. \(2.4 \times 10^8 \)
1. \(12 \times 10^6 \)
2. \(12 \times 10^8\)
3. \(1.2 \times 10^8\)
4. \(2.4 \times 10^8 \)
60%
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Read the given statements and select the correct option.
Statement A : Prokaryotes have single origin of replication which is called ori-c in E.coli
Statement B : QB bacteriophage has RNA as their genetic material.
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are incorrect
4. Both statements A and B are correct
Statement A : Prokaryotes have single origin of replication which is called ori-c in E.coli
Statement B : QB bacteriophage has RNA as their genetic material.
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are incorrect
4. Both statements A and B are correct
66%
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Haploid content of human DNA contains
1. \(4.6 \times 10^6 \mathrm{bp}\)
2. \(3.3 \times 10^8 \mathrm{bp}\)
3. \(6.6 \times 10^9 \mathrm{bp}\)
4. \(3.3 \times 10^9 \mathrm{bp}\)
1. \(4.6 \times 10^6 \mathrm{bp}\)
2. \(3.3 \times 10^8 \mathrm{bp}\)
3. \(6.6 \times 10^9 \mathrm{bp}\)
4. \(3.3 \times 10^9 \mathrm{bp}\)
Subtopic: The DNA |
87%
From NCERT
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Which of the following processes is related to reverse transcription?
1. DNA dependent DNA synthesis
2. RNA dependent DNA synthesis
3. DNA dependent RNA synthesis
4. RNA dependent polypeptide synthesis
1. DNA dependent DNA synthesis
2. RNA dependent DNA synthesis
3. DNA dependent RNA synthesis
4. RNA dependent polypeptide synthesis
Subtopic: DNA Double Helix |
78%
From NCERT
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Subtopic: Transcription |
69%
From NCERT
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Which plant was used by Taylor to prove semiconservative replication at chromosomal level?
1. Haematoxylan
2. Vicia faba
3. Trillium
4. Ophioglossum
1. Haematoxylan
2. Vicia faba
3. Trillium
4. Ophioglossum
Subtopic: DNA Replication |
94%
From NCERT
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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%
From NCERT
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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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