MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

Which of the following transport bacterial DNA to other bacteria via bacteriophages?

Translation

Transformation

Transduction

Conjugation

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In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by

generalized phage transduction

conjugal transfer by a self-transmissible plasmid

None of these

natural transformation

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

Tandons

Replicon

Plasmids

Transposons

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Which of the following plamids do not possess information for self transfer to another cell?

None of these

Cryptic plasmids

Non-conjugative plasmids

Conjugative plasmids

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The transposase gene encodes an enzyme that facilitate

None of these

site-specific integration of transposable elements

general recombination

viral replication within a genome

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What information can be generated by interrupted mating experiments?

Proteomics of the bacteria

Levels of DNA homology

Bacterial genome maps

DNA nucleotide sequences

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The chromosomal genes, possessing fertility factor is known as

F factor

HFr

R factor

F prime factor

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

Medisome

Lisosome

Lysogen

Episome

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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

General recombination

Site-specific recombination

Mutagenic recombimation

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What is term used for a bacterial cell that is able to take up naked DNA?

Complementary

Liable

Competent

Infected

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