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Biology Written Test
Quiz 1
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Q.1
Which enzyme is used for the process of replication in E. Coli?
a) Restriction enzyme
b) Protease enzyme
c) Lipase enzyme
d) DNA polymerase
Q.2
How long does it take for E. Coli to replicate?
a) 10 minutes
b) 20 minutes
c) 18 minutes
d) 21 minutes
Q.3
What will happen if any abnormal changes or mistakes occur during the process of replication?
a) Mutation
b) Normal cell growth
c) Unpredictable cell deaths
d) Rapid formation of new cells
Q.4
In which type of process, can replication be seen at the small opening of the DNA?
a) Transformation
b) Incision
c) Mutation
d) Replication fork
Q.5
In which direction do the DNA dependent DNA polymerases catalyse the polymerization reaction?
a) 3’ → 5’
b) 5’ → 3’
c) In both the directions
d) Is not direction dependent
Q.6
The DNA polymerase enzymes can initiate the process of replication on their own.
a) True
b) False
Q.7
In which phase of the cell cycle does the process of replication take place in E.coli?
a) The M phase
b) The G1 phase
c) The G2 phase
d) The S phase
Q.8
What does the failure of cell division after DNA replication result in?
a) Polyploidy
b) Aneuploidy
c) Apoptosis
d) Migration of cells
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