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Bacterial Cell Cycle

View the animation below, then complete the quiz to test your knowledge of the concept.

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1What is the role of the protein FtsZ in the bacterial cell cycle?
A)it is involved in the replication of the chromosome
B)it mediates the elongation of the cell
C)it forms a contractile ring at the cell division site
D)it binds to the replicated chromosomes and helps move them to opposite poles
E)none of the above



2FtsZ proteins derive their energy from the breakdown of
A)ATP.
B)GTP.
C)CTP.
D)TTP.
E)UTP.



3If the generation time of Escherichia coli is 45 minutes, a daughter cell will contain DNA that has been replicating for _____ minutes.
A)5
B)10
C)15
D)20
E)25



4The cross septum starts to form at the beginning of DNA replication.
A)True
B)False



5DNA replication occurs on structures termed polysomes.
A)True
B)False







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