Course
Cell Biology
Study Pack
Set 7 From Dna To Protein
Question 1
(Multiple Choice)
Free
You have a bacterial strain with a mutation that removes the transcription termination signal from the Abd operon.Which of the following statements describes the most likely effect of this mutation on Abd transcription?
A)The Abd RNA will not be produced in the mutant strain.
B)The Abd RNA from the mutant strain will be longer than normal.
C)Sigma factor will not dissociate from RNA polymerase when the Abd operon is being transcribed in the mutant strain.
D)RNA polymerase will move in a backward fashion at the Abd operon in the mutant strain.
Answer
Question 2
(Multiple Choice)
Free
Figure 7-3 shows a ribose sugar.The part of the ribose sugar where a new ribonucleotide will attach in an RNA molecule is pointed to by arrow 
Figure 7-3
Figure 7-3A)1.
B)3.
C)4.
D)5.
Answer
Question 3
(Multiple Choice)
Free
Which of the following statements is FALSE?
A)RNA polymerase can start making a new RNA molecule without a primer; DNA polymerase cannot.
B)RNA polymerase does not proofread its work; DNA polymerase does.
C)RNA polymerase catalyzes the linkage of ribonucleotides while DNA polymerase catalyzes the linkage of deoxyribonucleotides.
D)RNA polymerase adds bases in a 3′-to-5′ direction; DNA polymerase adds bases in a 5′-to-3′ direction.
Answer