In tailing,adenylate residues are added at the $3'$ end of $mRNA$:

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

What is meant by the sense strand?

Removal of introns and joining the exons in a defined order in a transcription unit is called

Transcription:

Given below are the two statements.
Statement $I$: Only one strand in the transcription unit functions as a template and is called the antisense strand.
Statement $II$: The non-template strand of the transcription unit is called the sense strand.
In the light of the above statements,choose the correct answer from the options given below.