MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

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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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

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

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

Conjugation

Mutation

Transduction

Transformation

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

Mutagenic recombimation

Site-specific recombination

General recombination

Replicative recombination

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Penicillin resistance in staphylococci is acquired due to

transformation

mutation

transduction

conjugation

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

Insertion element

Virus

Composite transposon

Plasmid

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

transfers both strands of the plasmid DNA

transfers antibiotic resistance genes

usually has a transposon inserted into it

carries genes encoding the mating apparatus

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YOUR ANSWER : ?

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

transformation

replication

transduction

conjugation

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A microarray differs from a gene fusion in that, it

gives direct measurement of mRNA level

carries DNA segments from many different genes

is not constructed by cloning

All of these

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What information can be generated by interrupted mating experiments?

Levels of DNA homology

Proteomics of the bacteria

DNA nucleotide sequences

Bacterial genome maps

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