Consider the given two statements:
Statement I: rRNA has a structural role in living organisms.
Statement II: rRNA acts as the adapter molecule during the flow of genetic information in a  cell.
 1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Transcription |
 59%
Level 3: 35%-60%
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Which of the following is true for both transcription and DNA replication?

1. The principle of complementarity governs the processes
2. Only if the two strands act as a template
3. Only a segment of both strands is involved
4. Adenine base pairs with thymine

Subtopic:  DNA Replication | Transcription |
 80%
Level 1: 80%+
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In transcription:
I: nucleoside triphosphates are used as substrate.
II: mRNA is formed in a template independent fashion.
III: the rule of complementarity is applicable.
IV: helix is opened by helicase.
 
1. Only I and II are correct
2. Only III and IV are correct
3. Only I and III are correct
4. Only II and IV are correct
Subtopic:  Transcription |
 60%
Level 2: 60%+
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What facilitates the opening of the helix in order to allow continued elongation of transcription? 
1. RNA polymerase 
2. DNA polymerase 
3. DNA helicase 
4. DNA ligase

Subtopic:  Transcription |
Level 3: 35%-60%
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The promoter in a transcription unit:
I: is said to be located towards 3'-end (upstream) of the structural gene (the reference is made with respect to the polarity of template strand).
II: is a DNA sequence that provides binding site for RNA polymerase.
III: defines the template and coding strands.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic:  Transcription |
 57%
Level 3: 35%-60%
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Which subunit of the RNA polymerase holoenzyme allows it to initiate the process of transcription?
1. Rho 2. Sigma
3. Omega 4. Epsilon
Subtopic:  Transcription |
 88%
Level 1: 80%+
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Assertion (A):  Only one of the two DNA strands serves as a template for transcription.
Reason (R): The other strand is called the coding strand.
 
1.  Both (A) and (R) are True and (R) correctly explains (A)
2. Both (A) and (R) are True but (R) does not correctly explain (A)
3. (A) is True, (R) is False
4. (A) is False, (R) is False
Subtopic:  Transcription |
 74%
Level 2: 60%+
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Any nucleotide sequence within a eukaryotic gene that is not expressed or operative in the final RNA product is called as the:
1. Cistron 2. Intron
3. Exon 4. Recon
Subtopic:  Transcription |
 85%
Level 1: 80%+
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