MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

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

transformation

transduction

conjugation

lysogenic conversion

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YOUR ANSWER : ?

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?

Conjugation

Transformation

Lysis

Lysogeny

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YOUR ANSWER : ?

Which of the following statement can describe horizontal transfer?

The synthesis of RNA from a DNA template

The transmission of genetic information from one independent, mature organism to another

The synthesis of protein in RNA

The transmission of genetic information from parent to offspring

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YOUR ANSWER : ?

The transposase gene encodes an enzyme that facilitate

site-specific integration of transposable elements

viral replication within a genome

None of these

general recombination

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The plasmid which makes the host more pathogenic is

Virulence plasmid

None of these

Metabolic plasmid

F factors

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Infected

Complementary

Liable

Competent

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The plasmids can be eliminated from a cell by the process known as

fixing

expulsion

breaking

curing

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Diagnostic DNA probes have been developed for

Hepatitis B virus

Human immunodeficiency virus

All of these

Mycobacterium tuberculosis

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Conjugative plasmids

Non-conjugative plasmids

None of these

Cryptic plasmids

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YOUR ANSWER : ?

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

DNA is transferred from F+ to F- cells

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

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