MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

A microarray differs from a gene fusion in that, it

gives direct measurement of mRNA level

is not constructed by cloning

carries DNA segments from many different genes

All of these

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YOUR ANSWER : ?

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

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

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

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YOUR ANSWER : ?

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

Competent

Liable

Infected

Complementary

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When composite transposons are formed

a small deletion occurs in the transposase gene of an IS element and plasmid is integrated

two IS elements integrate into a chromosome with only a small distance separating them

an IS element integrates with another IS element with the help of a plasmid

a small deletion occurs in the transposase gene of an IS element

TRUE ANSWER : ?
YOUR ANSWER : ?

F factor plasmids play a major role in

trasnscription

transduction

replication

conjugation

TRUE ANSWER : ?
YOUR ANSWER : ?

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

breaking

expulsion

curing

fixing

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YOUR ANSWER : ?

Which of the following type of recombination does not require homologous sequences and is important for the integration of viral genomes into bacterial chromosomes?

Site-specific recombination

Replicative recombination

General recombination

Mutagenic recombimation

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YOUR ANSWER : ?

The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid

carries genes encoding the mating apparatus

usually has a transposon inserted into it

transfers antibiotic resistance genes

transfers both strands of the plasmid DNA

TRUE ANSWER : ?
YOUR ANSWER : ?

The chromosomal genes, possessing fertility factor is known as

R factor

F prime factor

F factor

HFr

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Which of the following statement can describe horizontal transfer?

The synthesis of protein in RNA

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

The synthesis of RNA from a DNA template

The transmission of genetic information from parent to offspring

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