(A) During the process of transcription, the enzyme $RNA$ polymerase catalyzes the synthesis of $RNA$ in the $5'$ to $3'$ direction.The $DNA$ template

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(A) During the process of transcription, the enzyme $RNA$ polymerase catalyzes the synthesis of $RNA$ in the $5'$ to $3'$ direction.The $DNA$ template strand, which is used for complementary base pairing, has a polarity of $3'$ to $5'$.Therefore, the $RNA$ polymerase reads the template $DNA$ strand in the $3'$ to $5'$ direction to synthesize a new $RNA$ strand in the $5'$ to $3'$ direction.Thus, option $A$ is the correct choice.

Class 12 Biology Molecular Basis of Inheritance Transcription

Medium

Select the correct option regarding the direction of $RNA$ synthesis and the direction of reading of the template $DNA$ strand.
Direction of $RNA$ synthesis Direction of reading of the template $DNA$
$A$. $5'-3'$ $3'-5'$
$B$. $3'-5'$ $5'-3'$
$C$. $5'-3'$ $5'-3'$
$D$. $3'-5'$ $3'-5'$

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$A$
B
$B$
C
$C$
D
$D$

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Given below is the sequence of the coding strand of $DNA$ in a transcription unit: $5' - AATGCAGCTATTAGG - 3'$. Write the sequence of $(a)$ its complementary strand and $(b)$ the $mRNA$.

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Choose the correct statement.

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What is $hnRNA$ called after it undergoes additional processing?

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$A$ geneticist isolates a gene for a specific trait under study; she also isolates the corresponding $mRNA$. Upon comparison,the $mRNA$ is found to contain $1,000$ fewer bases than the $DNA$ sequence. Did the geneticist isolate the wrong $DNA$?

Medium

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Select the incorrect option for transcription in prokaryotes.

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Direction of $RNA$ synthesis	Direction of reading of the template $DNA$
$A$. $5'-3'$	$3'-5'$
$B$. $3'-5'$	$5'-3'$
$C$. $5'-3'$	$5'-3'$
$D$. $3'-5'$	$3'-5'$

Select the correct option regarding the direction of $RNA$ synthesis and the direction of reading of the template $DNA$ strand.Direction of $RNA$ synthesisDirection of reading of the template $DNA$$A$. $5'-3'$$3'-5'$$B$. $3'-5'$$5'-3'$$C$. $5'-3'$$5'-3'$$D$. $3'-5'$$3'-5'$

Similar Questions

Given below is the sequence of the coding strand of $DNA$ in a transcription unit: $5' - AATGCAGCTATTAGG - 3'$. Write the sequence of $(a)$ its complementary strand and $(b)$ the $mRNA$.

Choose the correct statement.

What is $hnRNA$ called after it undergoes additional processing?

$A$ geneticist isolates a gene for a specific trait under study; she also isolates the corresponding $mRNA$. Upon comparison,the $mRNA$ is found to contain $1,000$ fewer bases than the $DNA$ sequence. Did the geneticist isolate the wrong $DNA$?

Select the incorrect option for transcription in prokaryotes.

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Select the correct option regarding the direction of $RNA$ synthesis and the direction of reading of the template $DNA$ strand.
Direction of $RNA$ synthesis Direction of reading of the template $DNA$
$A$. $5'-3'$ $3'-5'$
$B$. $3'-5'$ $5'-3'$
$C$. $5'-3'$ $5'-3'$
$D$. $3'-5'$ $3'-5'$