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

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

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Microbial Recombination and Gene Transfer
The expression of gene X (which has promoter Px) is to be monitored. A gene fusion construction for carrying this work will

have the promoter of lacZ or some other reporter gene
have Px but not the rest of the X coding region
allow to monitor the expression of all genes with a promoter similar in sequence to Px
give the same information as from a microarray

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Microbial Recombination and Gene Transfer
Which of the following statement describes plasmids?

Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria
Another name for a protoplast
A complex membrane structure that covers the chromosome of bacteria
None of these

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