(B) Transcription is the process of copying genetic information from one strand of the $DNA$ into $RNA$. The enzyme responsible for catalyzing this pr

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(B) Transcription is the process of copying genetic information from one strand of the $DNA$ into $RNA$. The enzyme responsible for catalyzing this process is $DNA$-dependent $RNA$ polymerase. It uses $DNA$ as a template to synthesize a complementary $RNA$ strand. Therefore,the correct option is $B$.

Class 12 Biology Molecular Basis of Inheritance Transcription

Easy

The enzyme responsible for transcription is .....

A
$DNA$ polymerase-$I$
B
$RNA$ polymerase
C
Reverse transcriptase
D
$DNA$ polymerase-$III$

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Class 12 Questions

Class 12

Biology Questions

Chapter

Molecular Basis of Inheritance

Subtopic

Transcription

Which of the following acts as a substrate for $RNA$ polymerase enzymes?

Easy

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Transcription is defined as.........

Medium

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What are the functions of $(i)$ methylated guanosine cap,$(ii)$ poly-$A$ tail in a mature $mRNA$?

Medium

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The molecular basis of cell differentiation depends on the regulation of:

MediumAIPMT 2007

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Match Column-$I$ with Column-$II$ and select the correct answer from the options given below.
Column-$I$ Column-$II$
$i$. Cistron $a$. Addition of methylated $GTP$ to $5'$-end of $hnRNA$.
$ii$. Exon $b$. Non-coding sequences which are removed by splicing.
$iii$. Intron $c$. Segment of $DNA$ coding for a polypeptide.
$iv$. Capping $d$. Coding sequences which appear in processed $mRNA$.

Column-$I$	Column-$II$
$i$. Cistron	$a$. Addition of methylated $GTP$ to $5'$-end of $hnRNA$.
$ii$. Exon	$b$. Non-coding sequences which are removed by splicing.
$iii$. Intron	$c$. Segment of $DNA$ coding for a polypeptide.
$iv$. Capping	$d$. Coding sequences which appear in processed $mRNA$.

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