Question

question 15 of 25 which of the following steps happens last during transcription? a. rna polymerase reaches the end of a gene. b. rna polymerase pulls apart the double helix. c. rna polymerase produces mrna from dna. d. rna polymerase reaches the beginning of a gene.

Explanation:

During transcription, first, RNA polymerase reaches the beginning of a gene (D). Then it pulls apart the double - helix (C). After that, it produces mRNA from DNA (B). The last step is when RNA polymerase reaches the end of a gene (A), which signals the termination of transcription.

Answer:

A. RNA polymerase reaches the end of a gene.