This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transcription, Subject name: Biochemistry
The DNA segment from which the primary mRNA transcript is copied or transcribed is called:- 
Select and explain. 
A. Coding strand, B. Initiator methionine domain, C. Template strand, D. Translation unit
C: Template strand
Answer: C: Template strand 
Explanation: DNA segment from which the primary mRNA transcript is copied or transcribed is called as Template strand Template strand : Strand which is being acted upon by RNA polymerase. mRNA produced resembles the sequence of the opposite strand (except U in place of T). The opposite strand is known as coding, sense or plus strand.