The plasmid which makes the host more pathogenic is Metabolic plasmid None of these Virulence plasmid F factors TRUE ANSWER : ? YOUR ANSWER : ?
In lysogeny, a bacteriophage transfers bacterial DNA a bacteriophage genome is integrated into the bacterial genome bacteria take up double stranded DNA from the environment DNA-degrading enzymes in the extracellular medium would stop the process TRUE ANSWER : ? YOUR ANSWER : ?
Who discovered transposons (jumping genes)? Griffith Harvey Abelson McClintock TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following genetic elements carry the genes required for integration into host chromosomes? Tandons Plasmids Transposons Replicon TRUE ANSWER : ? YOUR ANSWER : ?
The transposase gene encodes an enzyme that facilitate site-specific integration of transposable elements None of these viral replication within a genome general recombination TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement describes plasmids? A complex membrane structure that covers the chromosome of bacteria Another name for a protoplast Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria None of these TRUE ANSWER : ? YOUR ANSWER : ?
The correct term for the transfer of genetic material between bacteria in direct physical contact is transduction conjugation replication transformation TRUE ANSWER : ? 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 General recombination Mutagenic recombimation Replicative recombination TRUE ANSWER : ? YOUR ANSWER : ?
The type of recombination that commonly occurs between a pair of homologous DNA sequences is, mutagenic recombination site-specific recombination general recombination replicative recombination TRUE ANSWER : ? YOUR ANSWER : ?
The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is transduction lysogenic conversion conjugation transformation TRUE ANSWER : ? YOUR ANSWER : ?