Bacteria Use ________ Attached to the Polymerase to Direct RNA

Multiple Choice

Bacteria use ________ attached to the polymerase to direct RNA polymerase to promoters; eukaryotic cells use ________ that attach directly to the DNA first instead.

A) sigma factors; transcription factors
B) transcription factors; sigma factors
C) ribosomes; sigma factors
D) tRNA; rRNA
E) sigma factors; tRNA