We have sent an email with your new password.

Close this window

3g03 Test 5

25 Questions  I  By ISci2A18
3G03 Test 5

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  The phosphorylation of the CTD of RNA polymerase II is important for which phase of transcription?
A.
B.
C.
D.
E.
2.  Choose the correct statement.
A.
B.
C.
D.
E.
3.  In eukaryotics, mRNAs are synthesized in the cell ____, whereas most translation occurs in the ____.
A.
B.
C.
D.
E.
4.  The shift from initiation to elongation in eukaryotes involves structural changes in RNA polymerase, including ____ of its C-terminal domain
A.
B.
C.
D.
E.
5.  Which of the following best describes the functioning of the lac repressor protein?
A.
B.
C.
D.
E.
6.  Transcriptionally active DNA in eukaryotes is contained in ____.
A.
B.
C.
D.
E.
7.  RNA interference is a mechanism of posttranscriptional RNA-dependent
A.
B.
C.
D.
E.
8.  How does the preinitiation complex begin to form at a TATA box-containing eukaryotic promoter?
A.
B.
C.
D.
E.
9.  Most  ____ have well defined 3'ends terminating in poly(A) tails of ~250 nucleotides.
A.
B.
C.
D.
E.
10.  Which of the following statements regarding eukaryotic transcription is TRUE?
A.
B.
C.
D.
E.
11.  The expressed sequences of eukaryotic pre-mRNAs are known as ____.
A.
B.
C.
D.
E.
12.  During which of the following processes are RNA-DNA hybrids observed?
A.
B.
C.
D.
E.
13.  RNA transcription is apparently carried out by immobile protein complexes that reel in the ____.
A.
B.
C.
D.
E.
14.  Eukaryotic promoter regions can contain canonical sequences, which mark the site of transcription initiation. One such sequence is the TATA box. Transcription in eukaryotes is mediated by the TATA box in the following way:
A.
B.
C.
D.
E.
15.  Which of the following statements best describes the role of sigma factors in bacterial gene expression?
A.
B.
C.
D.
E.
16.  Prokaryotic mRNA encodes ____.
A.
B.
C.
D.
E.
17.  Chromatin remodeling may precede transcription. Which of the following is NOT a way that transcriptionally inactive DNA maintains a condensed state?
A.
B.
C.
D.
E.
18.  When an activator binds to the enhancer, a protein complex known as Mediator links the enhancer-bound activator to the transcription machinery poised at the ____.
A.
B.
C.
D.
E.
19.  Which of the following factors mediate(s) splicing?
A.
B.
C.
D.
E.
20.  Which of the following is NOT one of the six highly conserved proteins that initiate transcription in eukaryotes?
A.
B.
C.
D.
E.
21.  In eukaryotes, the three RNA polymerases recognize
A.
B.
C.
D.
E.
22.  You are a researcher studying a genetic disease, which results in neurodegeneration through production of an aberrant protein. To understand the impact this protein has within the cell, you decide to perform an experiment to reduce its expression in cells grown in a tissue culture. To do this, you:
A.
B.
C.
D.
E.
23.  ____ is a process essential to maturation of eukaryotic mRNA, and allows for production of multiple proteins from one gene.
A.
B.
C.
D.
E.
24.  Which of the following statements is FALSE?
A.
B.
C.
D.
E.
25.  During transcription, the DNA strands separate, and RNA polymerase constructs an RNA molecule that forms a short hybrid helix with the ____.
A.
B.
C.
D.
E.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz