One strand of the given segment of $DNA$ codes for $mRNA$ having the sequence $AUC, GCG, UCA$ needed for synthesis of proteins. The strand by which $DNA$ molecule will be responsible for the above $mRNA$ sequence is
$\mathop {\mathop {ATC}\limits_| }\limits_{TAG} \,\,\,\,\mathop {\mathop {GCC}\limits_| }\limits_{CGG} \,\,\,\,\mathop {\mathop {ATU}\limits_| }\limits_{TAG} $
$\mathop {\mathop {AGA}\limits_| }\limits_{TCT} \,\,\,\mathop {\mathop {GCG}\limits_| }\limits_{CGC} \,\,\,\mathop {\mathop {GAT}\limits_| }\limits_{CTA} $
$\mathop {\mathop {TGA}\limits_| }\limits_{ACT} \,\,\,\mathop {\mathop {CGC}\limits_| }\limits_{GCG} \,\,\,\mathop {\mathop {TAG}\limits_| }\limits_{ATC} $
$\mathop {\mathop {TAG}\limits_| }\limits_{ATC} \,\,\,\mathop {\mathop {CGC}\limits_| }\limits_{GCG} \,\,\,\mathop {\mathop {AGT}\limits_| }\limits_{TCA} $
Poly $A$ tail is present in
In eukaryotes $mRNA$ transcribed is called
Write a explanatory note on Transcription unit and the gene.
A transcription unit in $DNA$ is defined primarily by the three regions in $DNA$ and these are with respect to upstream and down stream end;
Full Forms : $mRNA$ & $tRNA$