#Question id: 4061
#Unit 3. Fundamental Processes
In the context of a whole chromosome, which of the following is correct?
#Question id: 4062
#Unit 3. Fundamental Processes
What modification occurs at the 5’ end of an mRNA?
#Question id: 4063
#Unit 3. Fundamental Processes
Which statement correctly matches the three RNA polymerases with RNAs they synthesize?
#Question id: 4064
#Unit 3. Fundamental Processes
Which of the following mutations can result in a reduction of β-galactosidase?
#Question id: 4065
#Unit 3. Fundamental Processes
The NtrC protein from E. coli
a. is a σ54 RNA polymerase. b. stimulates transcription of the glnA gene.
c. is activated by a protein kinase called NtrB.
d. binds both to an enhancer site upstream of the glnA gene and to RNA polymerase.
e. has ATPase activity.
#Question id: 4066
#Unit 3. Fundamental Processes
Specific DNA control elements in promoters can
a. interact with general transcription factors.
b. interact with repressor proteins.
c. interact with activator proteins.
d. remain unavailable because of condensed chromatin.