Microbial Recombination and Gene Transfer
Which of the following statement(s) is/are true in regards to F+ x F- mating events?

No DNA is transferred because F+ cells are unable to perform conjugation
DNA is transferred from F- to F+ cells
DNA is transferred from F+ to F- cells
No DNA is transferred because F- cells are unable to perform conjugation

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Microbial Recombination and Gene Transfer
In lysogeny,

bacteria take up double stranded DNA from the environment
a bacteriophage transfers bacterial DNA
DNA-degrading enzymes in the extracellular medium would stop the process
a bacteriophage genome is integrated into the bacterial genome

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Microbial Recombination and Gene Transfer
When composite transposons are formed

two IS elements integrate into a chromosome with only a small distance separating them
a small deletion occurs in the transposase gene of an IS element and plasmid is integrated
an IS element integrates with another IS element with the help of a plasmid
a small deletion occurs in the transposase gene of an IS element

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