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Q. No.In tailing, adenylate residues are added at 3'end
1. With the help of gyanyl transferase
2. In a template independent manner
3. With the help of methyl transferase
4. Of hn-RNA of E.coli
Subtopic: Transcription |
71%
From NCERT
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For every single amino acid incorporated in peptide chain _______ ATP and ________GTP molecules are used.
1. 1, 4
2. 1, 6
3. 1, 2
4. 1, 3
1. 1, 4
2. 1, 6
3. 1, 2
4. 1, 3
Subtopic: Translation |
60%
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In t-RNA
1. CCA - OH is present at 5-end
2. T\(\Psi\)C loop for attaching the amino acid
3. DHU loop for binding with AA - activating enzyme
4. There are three recognition sites
1. CCA - OH is present at 5-end
2. T\(\Psi\)C loop for attaching the amino acid
3. DHU loop for binding with AA - activating enzyme
4. There are three recognition sites
Subtopic: Translation |
52%
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Repetitive sequences are stretches of DNA with repeated bases many times in a genome, but
(a) These sequences are of no transcriptional function
(b) These are associated with euchromatin region
(c) These helps to identify a person on the basis of its DNA specificity
1. All are correct
2. Only (b) is incorrect
3. Both (a) & (b) are correct
4. Both (b) & (c) are incorrect
(a) These sequences are of no transcriptional function
(b) These are associated with euchromatin region
(c) These helps to identify a person on the basis of its DNA specificity
1. All are correct
2. Only (b) is incorrect
3. Both (a) & (b) are correct
4. Both (b) & (c) are incorrect
Subtopic: DNA Packaging |
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Subtopic: DNA Fingerprinting |
57%
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In tryptophan operon
1. Non-proteinaceous aporepressor is synthesised by R-gene
2. Normally chorismic acid is not converted into tryptophan
3. Repression is mostly connected with a catabolic pathway
4. Enzymes produced by structural genes normally present in the cell
1. Non-proteinaceous aporepressor is synthesised by R-gene
2. Normally chorismic acid is not converted into tryptophan
3. Repression is mostly connected with a catabolic pathway
4. Enzymes produced by structural genes normally present in the cell
Subtopic: Gene Regulation: Lac Operon |
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Which of the following DNA forms has maximum number of base pairs per turn?
1. A-DNA
2. B-DNA
3. C-DNA
4. Z-DNA
1. A-DNA
2. B-DNA
3. C-DNA
4. Z-DNA
Subtopic: The DNA | DNA Double Helix |
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Non-histone proteins
1. Are of five types
2. Are involved in nucleosome formation
3. Control gene expression
4. Are basic proteins
1. Are of five types
2. Are involved in nucleosome formation
3. Control gene expression
4. Are basic proteins
Subtopic: DNA Packaging |
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Subtopic: DNA Replication |
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How many types of DNA polymerases are associated with eukaryotic cell?
1. Three
2. Four
3. Five
4. Two
1. Three
2. Four
3. Five
4. Two
Subtopic: DNA Replication |
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