MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

The plasmid which makes the host more pathogenic is

Virulence plasmid

Metabolic plasmid

F factors

None of these

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F factor plasmids play a major role in

transduction

replication

trasnscription

conjugation

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

Transformation

Translation

Transduction

Conjugation

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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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Recombination of virus genomes occurs

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

by transduction

by transription

by transformation

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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

Insertion element

Plasmid

Composite transposon

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The plasmid-mediated properties is/are

production of enterotoxin

fermentation of lactose

resistance to antibiotics

all of these

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Which of the following term describes the relationship between a virus and host where no new viral particles are produced and the viral genome is replicated along with host chromosome?

Lysis

Conjugation

Lysogeny

Transformation

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Diagnostic DNA probes have been developed for

All of these

Hepatitis B virus

Mycobacterium tuberculosis

Human immunodeficiency virus

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

Complementary

Competent

Infected

Liable

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