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Q. No.To catalyse the transcription of all types of RNA in bacteria, how many type(s) of DNA-dependent RNA polymerase is/are present in them?
1. Two
2. Three
3. Five
4. One
Subtopic: Transcription |
61%
From NCERT
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The existence of complementarity with DNA is not seen during the process of
1. Replication
2. Reverse transcription
3. Translation
4. Transcription
1. Replication
2. Reverse transcription
3. Translation
4. Transcription
Subtopic: Translation |
72%
From NCERT
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If the sequence of one strand of DNA is 5' A T G C A T C G 3', find the sequence of complementary strand in 5' → 3' direction
1. T A C G T A G C
2. C G A T G C A T
3. A T G C A T C G
4. A T C G T A C G
1. T A C G T A G C
2. C G A T G C A T
3. A T G C A T C G
4. A T C G T A C G
Subtopic: Transcription |
62%
From NCERT
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Which of the following bonds is not present in DNA?
1. \(\beta-1^{\prime}-9-N \text {-glycosidic bond }\)
2. \(3^{\prime}-5^{\prime} \text { phosphodiester bond }\)
3. \(\beta-1^{\prime}-1-N-\text { glycosidic bond }\)
4. \(\beta-1^{\prime}-2-N-\text { glycosidic bond }\)
1. \(\beta-1^{\prime}-9-N \text {-glycosidic bond }\)
2. \(3^{\prime}-5^{\prime} \text { phosphodiester bond }\)
3. \(\beta-1^{\prime}-1-N-\text { glycosidic bond }\)
4. \(\beta-1^{\prime}-2-N-\text { glycosidic bond }\)
Subtopic: The DNA |
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Subtopic: Transcription |
From NCERT
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For the strand separation and stabilisation during DNA replication which of the following sets of enzymes and proteins are required?
1. SSBP, gyrase, primase
2. Topoisomerase, helicase, ligase
3. Gyrase, ligase, primase
4. Topoisomerase, helicase, SSBP
1. SSBP, gyrase, primase
2. Topoisomerase, helicase, ligase
3. Gyrase, ligase, primase
4. Topoisomerase, helicase, SSBP
Subtopic: DNA Replication |
61%
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Which of the following is not required during post transcriptional processing in eukaryotes?
1. Methyl guanosine triphosphate
2. Ligase
3. ScRNA
4. SnRNA
1. Methyl guanosine triphosphate
2. Ligase
3. ScRNA
4. SnRNA
Subtopic: Transcription |
61%
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Which of the following features is correct for bacteria?
1. Presence of intervening sequences in DNA
2. DNA does not show coiling
3. Linear ss-DNA representing single chromosome
4. DNA can be chromosomal as well as extrachromosomal
1. Presence of intervening sequences in DNA
2. DNA does not show coiling
3. Linear ss-DNA representing single chromosome
4. DNA can be chromosomal as well as extrachromosomal
Subtopic: The DNA |
60%
From NCERT
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Termination of polypeptide synthesis in bacteria differs from eukaryotes in
1. Have different termination codons
2. Being GTP dependent
3. Involving more than one type of release factors
4. All of these
1. Have different termination codons
2. Being GTP dependent
3. Involving more than one type of release factors
4. All of these
Subtopic: Translation |
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The accessibility of promoter regions of bacterial DNA in many cases regulated by the interaction of proteins with sequences termed
1. Regulators
2. structural genes
3. Inhibitor genes
4. Operators
1. Regulators
2. structural genes
3. Inhibitor genes
4. Operators
Subtopic: Gene Regulation: Lac Operon |
53%
From NCERT
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