MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

F factor plasmids play a major role in

trasnscription

transduction

replication

conjugation

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YOUR ANSWER : ?

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

Cryptic plasmids

Non-conjugative plasmids

Conjugative plasmids

None of these

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Which of the following statement describes plasmids?

Another name for a protoplast

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

A complex membrane structure that covers the chromosome of bacteria

None of these

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Penicillin resistance in staphylococci is acquired due to

conjugation

mutation

transformation

transduction

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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 the promoter of lacZ or some other reporter gene

give the same information as from a microarray

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

have Px but not the rest of the X coding region

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YOUR ANSWER : ?

R factors involved in plant-microbe interactions are

bacterial proteins

also called opines

essential for transfer of DNA to plant cells

plant proteins

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YOUR ANSWER : ?

Who discovered transposons (jumping genes)?

McClintock

Griffith

Abelson

Harvey

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Which of the following statement can describe horizontal transfer?

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

The transmission of genetic information from parent to offspring

The synthesis of protein in RNA

The synthesis of RNA from a DNA template

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Which type of plasmid can exist with or without being integrated into the host's chromosome?

Lysogen

Medisome

Lisosome

Episome

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What information can be generated by interrupted mating experiments?

Levels of DNA homology

Proteomics of the bacteria

Bacterial genome maps

DNA nucleotide sequences

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