Transcriptional Activator Proteins Function in the Regulation of Eukaryotic Gene

Multiple Choice

Transcriptional activator proteins function in the regulation of eukaryotic gene expression by:

A) Mediating the binding of the sigma subunit to RNA polymerase.
B) Altering the conformation of RNA polymerase.
C) Binding to specific target sites in chromosomal DNA upstream, within, or downstream of the gene being regulated.
D) Engaging in protein_protein interactions with core components of the transcription initiation complex.
E) Both C and D