Which of the following is part of a DNA molecule?
A)sigma
B)RNA polymerase
C)transcription factor
D)promoter
E)activator

Question

Quizplus · Accepted Answer

The promoter is a specific sequence of DNA that signals the start of a gene and where RNA polymerase should bind to begin transcription. Sigma is a subunit of RNA polymerase, RNA polymerase is the enzyme that synthesizes RNA during transcription, transcription factors and activators are proteins that bind to DNA to regulate gene expression, but they are not part of the DNA molecule itself.

Which of the Following Is Part of a DNA Molecule