MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

Which type of plasmid can exist with or without being integrated into the host's chromosome?

Lisosome

Medisome

Episome

Lysogen

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What information can be generated by interrupted mating experiments?

DNA nucleotide sequences

Levels of DNA homology

Proteomics of the bacteria

Bacterial genome maps

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The transducing particles carry only specific portions of the bacterial genome in which of the following transduction?

Abortive transduction

Specialized transduction

General transduction

None of these

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A microarray differs from a gene fusion in that, it

carries DNA segments from many different genes

All of these

is not constructed by cloning

gives direct measurement of mRNA level

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Recombination of virus genomes occurs

simultaneous infection of a host cell by two viruses with homologous chromosomes

by transformation

by transduction

by transription

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The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid

carries genes encoding the mating apparatus

usually has a transposon inserted into it

transfers antibiotic resistance genes

transfers both strands of the plasmid DNA

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Which of the following type of recombination does not require homologous sequences and is important for the integration of viral genomes into bacterial chromosomes?

Replicative recombination

Mutagenic recombimation

General recombination

Site-specific recombination

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Which of the following genetic elements carry the genes required for integration into host chromosomes?

Replicon

Transposons

Tandons

Plasmids

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F factor plasmids play a major role in

replication

conjugation

trasnscription

transduction

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The transposase gene encodes an enzyme that facilitate

general recombination

None of these

viral replication within a genome

site-specific integration of transposable elements

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