Cytogenetics Dna Replication Prokaryotes Online Exam Quiz
Cytogenetics Dna Replication Prokaryotes GK Quiz. Question and Answers related to Cytogenetics Dna Replication Prokaryotes. MCQ (Multiple Choice Questions with answers about Cytogenetics Dna Replication Prokaryotes
How many prokaryotic DNA polymerases have 5’->3’ proofreading activity?
Options
A : 1
B : 2
C : 3
D : 4
At which end are the new DNA bases added?
Options
A : 5’ triphosphate end
B : 3’ triphosphate end
C : 5’ OH end
D : 3’ OH end
Which of this subunit is not a part of core DNA polymerase?
Options
A : Alpha
B : Beta
C : Theta
D : Eta
Acyclovir is a drug used to treat viral infection by impairing its replication. Why will it not effect bacterial replication as well?
Options
A : Bacteria under viral attack don’t replicate
B : Viral polymerase binds to it and thus can’t perform its function
C : Virus uses it in a polymerization
D : Cellular mechanism deactivates it
Rolling circle mode of replication is ________
Options
A : Conservative
B : Non Conservative
C : Semi – Conservative
D : Dispersed
What constitutes Primosome?
Options
A : Dna a, Dna b, Dna c, Dna G
B : Dna b, Dna G
C : Dna c, Dna b
D : Dna a, Dna c
In an experiment you take a DNA in vitro and attempt to replicate it. Which combination will you add to your DNA to get the maximum replication product?
Options
A : Dna a, Dna b, HU, SSB, topoisomerase I, polymerase I
B : Dna a, Dna b, HU, SSB, polymerase III
C : Dna a, Dna b, Dna c, HU ,SSB polymerase I
D : Dna a, Dna b, Dna c, HU, SSB, polymerase III
You take a circular ssDNA and to it you attach a small labeled complimentary fragment. You add different reagents and try to get free labeled probe. Which of this reagent will give you your desired result?
Options
A : Dna b
B : Dna c
C : Dna G
D : Dna a
What will be the fate of a Seq A mutant E. Coli?
Options
A : DNA replication will occur less frequently
B : Replication will be error prone
C : Replication will not occur
D : Uncontrolled replication
In an experiment you use DNA pol I – Klenow fragment. When all other requisites for replication are added, then what will be the effect on the newly replicated DNA? Consider leading strand only.
Options
A : No difference from intact DNA pol I replication
B : Replication will be slower
C : Replication will be error prone
D : DNA produced will be shorter
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