MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

The correct term for the transfer of genetic material between bacteria in direct physical contact is

transformation

transduction

conjugation

replication

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

Translation

Conjugation

Transformation

Transduction

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Who discovered transposons (jumping genes)?

Harvey

McClintock

Abelson

Griffith

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Recombination of virus genomes occurs

by transduction

by transformation

by transription

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

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Which of the following statement describes plasmids?

Another name for a protoplast

A complex membrane structure that covers the chromosome of bacteria

Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria

None of these

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What information can be generated by interrupted mating experiments?

Proteomics of the bacteria

Levels of DNA homology

DNA nucleotide sequences

Bacterial genome maps

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

Liable

Infected

Competent

Complementary

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

Plasmid

Virus

Composite transposon

Insertion element

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The expression of gene X (which has promoter Px) is to be monitored. A gene fusion construction for carrying this work will

have Px but not the rest of the X coding region

allow to monitor the expression of all genes with a promoter similar in sequence to Px

give the same information as from a microarray

have the promoter of lacZ or some other reporter gene

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Which of the following statement can describe horizontal transfer?

The transmission of genetic information from parent to offspring

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

The synthesis of protein in RNA

The synthesis of RNA from a DNA template

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