The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is transformation lysogenic conversion transduction conjugation TRUE ANSWER : ? YOUR ANSWER : ?
The chromosomal genes, possessing fertility factor is known as HFr F factor F prime factor R factor TRUE ANSWER : ? YOUR ANSWER : ?
The term used for plasmids possessing both RTF and r determinants is non self-transmissible plasmids None of these non conjugative plasmids conjugative plasmids TRUE ANSWER : ? YOUR ANSWER : ?
Which type of plasmid can exist with or without being integrated into the host's chromosome? Lisosome Episome Medisome Lysogen TRUE ANSWER : ? YOUR ANSWER : ?
The transducing particles carry only specific portions of the bacterial genome in which of the following transduction? None of these General transduction Specialized transduction Abortive transduction TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement can describe horizontal transfer? The synthesis of RNA from a DNA template The transmission of genetic information from parent to offspring The synthesis of protein in RNA The transmission of genetic information from one independent, mature organism to another TRUE ANSWER : ? YOUR ANSWER : ?
When composite transposons are formed a small deletion occurs in the transposase gene of an IS element an IS element integrates with another IS element with the help of a plasmid two IS elements integrate into a chromosome with only a small distance separating them a small deletion occurs in the transposase gene of an IS element and plasmid is integrated TRUE ANSWER : ? YOUR ANSWER : ?
Who discovered transposons (jumping genes)? Griffith McClintock Harvey Abelson TRUE ANSWER : ? YOUR ANSWER : ?
In lysogeny, a bacteriophage genome is integrated into the bacterial genome bacteria take up double stranded DNA from the environment a bacteriophage transfers bacterial DNA DNA-degrading enzymes in the extracellular medium would stop the process TRUE ANSWER : ? YOUR ANSWER : ?
The plasmid which makes the host more pathogenic is Virulence plasmid Metabolic plasmid F factors None of these TRUE ANSWER : ? YOUR ANSWER : ?