Question

What must first occur for transcription to begin?
mRNA moves the code from the nucleus to the ribosome for protein production.
A gene is expressed through protein production.
RNA polymerase attaches to the promoter.
A repressor protein must attach to the operator.

Answer 1

The question is asking to choose among the following choices that must first occur for transcription to begin and base on the following choices and in my further research, I would say that the answer would be in letter C.RNA polymerase attaches to the promoter. I hope you are satisfied with my answer