11.6: Microbial Genetics (Prokaryote Genetic Diversity)

What is the term for the transfer of DNA through direct contact using a conjugation pilus?

• Conjugation

• Transduction

• Vertical gene transfer

• Transformation

Which mechanism of horizontal gene transfer in bacteria involves the transfer of genes through viral infection?

• Gene Transfer

• Transformation

• Conjugation

• Transduction

What is the term for the mechanism of horizontal gene transfer in which naked environmental DNA is taken up by a bacterial cell?

• Conjugation

• Gene Transfer

• Transduction

• Transformation

What is the result of the imprecise excision of a lysogenic prophage from the bacterial chromosome?

• Lysogenic conversion

• Transformation

• Transduction

• Conjugation

In E. coli, what are bacteria known as if they have the genes encoding the ability to conjugate located on a bacterial plasmid called the F plasmid?

• Transduction cells

• Transformation cells

• F- or recipient cells

• F+ or donor cells

What is the term for an important type of extrachromosomal DNA element in bacteria that often codes for genes involved in virulence?

• Plasmids

• Prophages

• Chromosomes

• Ribosomes

Which mechanism of genetic diversity in prokaryotes involves the passing of genes on from one generation to the next?

• Transformation

• Conjugation

• Vertical gene transfer

• Transduction

What is the term for the mechanism of horizontal gene transfer in which bacteriophages infect bacterial cells and inject viral DNA into the host?

• Transformation

• Transduction

• Conjugation

• Gene Transfer

What is the result of a bacterium incorporating new DNA into its own genome through recombination?

• Conjugation

• Transduction

• Transformation

• Lysogenic conversion

What is the term for the mechanism of horizontal gene transfer in which a nonpathogenic bacterium takes up DNA for a toxin gene from a pathogen and incorporates it into its own chromosome?

• Lysogenic conversion

• Transduction

• Conjugation

• Transformation