Deck 25: Bacterial Genetics

Question 1

DNA transfer that occurs via a virus is called .

A)transfection
B)conjugation
C)transduction
D)transformation

Answer 1

C

Question 2

The mechanism of transfer of the F-plasmid in conjugation involves .

A)viruses
B)donor cell death
C)bidirectional replication
D)rolling circle replication

Answer 2

D

Question 3

The uptake of naked DNA from the environment is called .

A)transfection
B)conjugation
C)transduction
D)transformation

Answer 3

D

Question 4

Only the can initiate conjugation.

A)F^-
B)F⁺
C)Hfr
D)recipient

Question 5

The F-plasmid .

A)is transferable
B)non-transferable
C)is involved in transduction
D)always results in Hfr strain formation

Question 6

Hfr strains have an integrated .

A)F plasmid
B)R plasmid
C)prophage
D)lysogen

Question 7

A sex pilus forms during .

A)transduction
B)conjugation
C)transformation
D)transfection

Question 8

In order for cells to take up naked DNA,they must be .

A)dead
B)actively replicating
C)competent
D)weak

Question 9

During conjugation,the entire double-stranded F-plasmid is transferred into the recipient.

Question 10

A prophage .

A)only occurs when a viral genome is integrated into the host genome
B)is replicated along with host cell DNA
C)occurs in the lysogenic life cycle of viruses.
D)all of the above

Question 11

The preferential transfer of DNA fragments using viruses is called .

A)generalize transduction
B)specialized transduction
C)conjugation
D)transformation