Template and coding strands are defined by the presence of

(a)terminator

(b)structural gene

(c)promoter

(d)all of these

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In transcription unit regulatory sequences are present

(a)always at the upstream of the promoter

(b) always at the downstream of the promoter

(c)may be present further upstream or downstream to the promoter

(d)before the structural gene and after the promoter

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Which of the following is incorrect for a gene?

(a)functional unit of inheritance

(b)sequence of DNA which codes for a protein only

(c)monocistronic or polycistronic

(d)DNA sequence coding for tRNA or rRNA molecule

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Which of the following is a false statement?

(a) structural gene in transcription unit could be polycistronic in eukaryotes

(b) structural gene in transcription unit could be polycistronic in prokaryotes

(c) structural gene in transcription unit could be monocistronic in eukaryotes

(d) None of these

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Which of the following would be present in processed RNA?

(a)exons

(b)introns

(c)both A and B

(d)sometimes exons sometimes introns

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which of the following is incorrect

(a)mRNA(messenger RNA)

(b)tRNA(transfer RNA)

(c)rRNA(ribosomal RNA)

(d) mRNA(matured RNA)

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How many RNA-dependent RNA Polymerase are there for the transcription of all types of RNA in bacteria?

(a)0

(b)1

(c)2

(d)3

Concept Questions :-

Transcription: I
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Which of the following is not true for RNA Polymerase?

(a)It binds to promoter for initiation of transcription

(b) template dependent mode of action

(c) It follows the rule of complementarity

(d)It uses nucleotide triphosphate as substrate

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Out of the three processes of transcription which one is catalysed by RNA Polymerase?

(a)process of elongation

(b)process of initiation

(c)process of termination

(d)all of the above

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which of the following is true for bacterial transcription?

(a)RNA processing is required in it

(b)Transcription takes place in nucleus

(c)Transcription and translation takes place in same compartment

(d)all of the above

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