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

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

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Microbial Recombination and Gene Transfer
The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid

usually has a transposon inserted into it
transfers both strands of the plasmid DNA
carries genes encoding the mating apparatus
transfers antibiotic resistance genes

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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
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
a small deletion occurs in the transposase gene of an IS element and plasmid is integrated

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