Course
Cell Biology
Study Pack
Set 6 Dna Replication And Repair
Question 1
(Multiple Choice)
Free
You have discovered an "Exo-" mutant form of DNA polymerase in which the 3′-to-5′ exonuclease function has been destroyed but the ability to join nucleotides together is unchanged.Which of the following properties do you expect the mutant polymerase to have?
A)It will polymerize in both the 5′-to-3′ direction and the 3′-to-5′ direction.
B)It will polymerize more slowly than the normal Exo+ polymerase.
C)It will fall off the template more frequently than the normal Exo+ polymerase.
D)It will be more likely to generate mismatched base pairs.
Answer
Question 2
(Multiple Choice)
Free
Which diagram accurately represents the directionality of DNA strands at one side of a replication fork? (a)
(b)
(c)
(d)
Figure 6-19
(b)
(c)
(d)
Figure 6-19
A)Diagram A
B)Diagram B
C)Diagram C
D)Diagram D
Answer
Question 3
(Multiple Choice)
Free
The process of DNA replication requires that each of the parental DNA strands be used as a __________ to produce a duplicate of the opposing strand.
A)catalyst
B)competitor
C)template
D)copy
Answer