Biology 251 - Genetics » Spring 2021 » Topic 10.2 Quiz

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Transcription initiation always immediately switches into the elongation phase after approximately 10 nucleotides of the new RNA are joined up.
A.   True
B.   False
Question #2
Unlike in DNA replication, the transcription bubble does not widen and is sequestered within the RNA polymerase enzyme, preventing a need for single strand binding proteins.
A.   True
B.   False
Question #3
Transcription in bacteria switches from initiation to elongation when:
A.   sigma factor dissociates from RNA polymerase.
B.   the first two nucleotides are joined.
C.   the transcription bubble is opened.
Question #4
Rho-independent transcription termination requires:
A.   transcription of an RNA hairpin and a helicase.
B.   transcription of an RNA hairpin and a string of A residues.
C.   transcription of a string of U residues and a helicase.
D.   transcription of an RNA hairpin and a string of U residues.
Question #5
Rho-dependent transcription termination requires ATP hydrolysis to disrupt hydrogen bonds between the newly synthesized RNA and the DNA template strand.
A.   False
B.   True

Need help with your exam preparation?

Existing Quiz Clients Login here