MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

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

Conjugation

Transduction

Transformation

Mutation

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YOUR ANSWER : ?

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

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

have Px but not the rest of the X coding region

TRUE ANSWER : ?
YOUR ANSWER : ?

F factor plasmids play a major role in

replication

transduction

trasnscription

conjugation

TRUE ANSWER : ?
YOUR ANSWER : ?

Penicillin resistance in staphylococci is acquired due to

conjugation

mutation

transduction

transformation

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YOUR ANSWER : ?

The transposase gene encodes an enzyme that facilitate

viral replication within a genome

general recombination

None of these

site-specific integration of transposable elements

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following type of recombination does not require homologous sequences and is utilized by mobile genetic elements that move about chromosomes?

Replicative recombination

Site-specific recombination

General recombination

Mutagenic recombimation

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Lisosome

Lysogen

Episome

Medisome

TRUE ANSWER : ?
YOUR ANSWER : ?

The chromosomal genes, possessing fertility factor is known as

F factor

HFr

F prime factor

R factor

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YOUR ANSWER : ?

Who discovered transposons (jumping genes)?

Harvey

Griffith

Abelson

McClintock

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YOUR ANSWER : ?