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Bacterial Conjugation - Transfer of a Plasmid

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






1Which of the following does NOT occur during bacterial conjugation?
A)direct contact between donor and recipient cells
B)shortening of the pilus
C)enzymatic cleavage of one strand at the origin of transfer
D)unidirectional transfer of both DNA strands
E)recipient cell becomes a donor cell after conjugation



2During bacterial conjugation, plasmid replication occurs in
A)the donor only.
B)the recipient only.
C)both the donor and recipient.
D)either the donor or the recipient, but not both.
E)neither the donor nor the recipient.



3If one donor cell is mixed with 20 recipient cells, eventually ________ cells will become donors.
A)2
B)5
C)10
D)15
E)20



4The pilus is found on both the donor and recipient cells.
A)True
B)False



5Plasmids are small pieces of DNA that may carry genetic information for antibiotic resistance.
A)True
B)False







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