MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

R factors involved in plant-microbe interactions are

plant proteins

essential for transfer of DNA to plant cells

also called opines

bacterial proteins

TRUE ANSWER : ?
YOUR ANSWER : ?

Who discovered transposons (jumping genes)?

Griffith

Harvey

Abelson

McClintock

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

Tandons

Plasmids

Replicon

Transposons

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What information can be generated by interrupted mating experiments?

DNA nucleotide sequences

Proteomics of the bacteria

Bacterial genome maps

Levels of DNA homology

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Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element?

Virus

Plasmid

Insertion element

Composite transposon

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Medisome

Lysogen

Lisosome

Episome

TRUE ANSWER : ?
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Which of the following statement(s) is/are true in regards to F+ x F- mating events?

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

DNA is transferred from F- to F+ cells

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

DNA is transferred from F+ to F- cells

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YOUR ANSWER : ?

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

Transduction

Transformation

Conjugation

Mutation

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The plasmid which makes the host more pathogenic is

Virulence plasmid

None of these

Metabolic plasmid

F factors

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The chromosomal genes, possessing fertility factor is known as

R factor

HFr

F factor

F prime factor

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YOUR ANSWER : ?