Q. 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;
A) Inducer, Repressor, Structural gene
B) Promotor, Structural gene, Terminator
C) Repressor, Operator gene, Structural gene
D) Structural gene, Transposons, Operator gene
Explanation
[Solution by Claude - not from source] A transcription unit has a promoter, structural gene and terminator. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.