Question

The site where RNA polymerase attaches to the DNA molecule to start the formation of an RNA molecule is called a(n) _____.

1) Promoter
2) Enhancer
3) Operator
4) Intron

Answer 1

The site where RNA polymerase attaches to the DNA molecule to start the formation of an RNA molecule is called a promoter.

Step-by-step explanation:

The site where RNA polymerase attaches to the DNA molecule to start the formation of an RNA molecule is called a promoter. The promoter is a specific sequence of DNA that signals the start of transcription and determines whether a gene is transcribed all the time, some of the time, or infrequently.