A Fâ strain and an HFr strain differ in that:
A) One can undergo transduction and the other cannot.
B) One can undergo asexual reproduction and the other can not.
C) One has a separate plasmid DNA (extra-chromosomal) and the other does not.
D) none of the above
A Fâ strain and an HFr strain differ in that:
A) One can undergo transduction and the other cannot.
B) One can undergo asexual reproduction and the other can not.
C) One has a separate plasmid DNA (extra-chromosomal) and the other does not.
D) none of the above
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URGENT - Due in an hour! Please help!
In our Bacterial Conjugation Experiment we will cross an Esherichia coli strain which has the plasmid pRL27 with a wild-type strain of Serratia marcescens. The plasmid pRL27 carries a gene for resistance to kanamycin on a transposable element that can be transferred to other strains of bacteria by conjugation. The E. coli donor strain is an auxotroph that requires diaminopimelic acid (DAP) as a growth factor.
We will use four types of agar media in this experiment.
MATCH the various types of media used in this experiment with the descriptions given below.
| A | L-agar + DAP |
| B | L-agar + kan + DAP |
| C | L-agar + kan |
| D | L-agar |
Neither the wild-type Serratia marcescens nor the E. coli strain with the pRL27 plasmid can grow on this medium.
Both the wild-type Serratia marcescens and the E. coli strain with the pRL27 plasmid can grow on this medium.
The wild-type Serratia marcescens can grow on this medium, but the E. coli strain with the pRL27 plasmid can't.
The wild-type Serratia marcescens can't grow on this medium, but the E. coli strain with the pRL27 plasmid can.
