This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Genetics, Subject name: Biochemistry
The position of DNA in which RNA polymerase binds and start transcription is called: 
Select and explain. 
A. Terminator, B. Anti-terminator, C. Operator, D. Promoter region
D: Promoter region
Answer: D: Promoter region 
Explanation: Ans. D. Promoter regionThe binding of enzyme RNA polymerase to DNA is prerequisite for the beginning of transcription. The specific region on DNA where the enzyme binds is known as promoter region.