MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

The chromosomal genes, possessing fertility factor is known as

F prime factor

F factor

HFr

R factor

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YOUR ANSWER : ?

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

Cryptic plasmids

Non-conjugative plasmids

None of these

Conjugative plasmids

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Plasmid that carries genes encoding enzymes, which degrade substances such as aromatic compounds, pesticides or sugar are

F factors

virulence plasmid

none of these

metabolic plasmid

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Which of the following is used by microbial genetisists as a tool?

Transposable elements

All of these

Plasmids

Bacteriophage

TRUE ANSWER : ?
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What information can be generated by interrupted mating experiments?

DNA nucleotide sequences

Bacterial genome maps

Levels of DNA homology

Proteomics of the bacteria

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

Lysogen

Episome

Lisosome

Medisome

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Which of the following is the cause for drug resistance in tuberculosis?

Mutation

Conjugation

Transduction

Transformation

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

Transposons

Replicon

Tandons

Plasmids

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In lysogeny,

a bacteriophage genome is integrated into the bacterial genome

bacteria take up double stranded DNA from the environment

DNA-degrading enzymes in the extracellular medium would stop the process

a bacteriophage transfers bacterial DNA

TRUE ANSWER : ?
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The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is

transformation

lysogenic conversion

conjugation

transduction

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