Question

Draw a labelled schematic structure of a transcription unit. Explain the function of each component in the unit in the process of transcription.

Answer 1

Schematic structure of a transcription unit:

i. Promoter: It is the binding site for RNA polymerase for initiation of transcription. 

ii. Structural gene: It codes for enzyme or protein for structural functions. 

iii. Terminator: It is the region where transcription ends.