If the sequence of the coding strand in a transcription unit is written as follows:

$5'-ATGCATGCATGCATGCATGCATGCATGC-3'$. Write down the sequence of $mRNA$.

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If the coding strand in a transcription unit is

$5^{\prime}-$ $ATGCATGCATGCATGCATGCATGCATGC-3'$

Then, the template strand in $3 '$ to $5 '$ direction would be

$3^{\prime}-$ $TACGTACGTACGTACGTACGTACGTACG-5'$

It is known that the sequence of $mRNA$ is same as the coding strand of $DNA$.

However, in $RNA$, thymine is replaced by uracil.

Hence, the sequence of $mRNA$ will be

$5^{\prime}-$$ AUGCAUGCAUGCAUGCAUGCAUGCAUGC-3'$

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  • [NEET 2021]