Bacteriology

Which of the following is NOT used by bacteria to acquire new genetic material? A) Conjugation B) Transformation C) Crossing over D) Transduction

What does MDR mean? A) Minimal drug resistance B) Multi-directional radioactivity C) Multi-drug-resistant D) Map directed route

At which point does a recipient cell become an F+ cell? A) Fusion of the cell membranes B) Attachment of the sex pilus C) Transfer of the single-stranded F factor D) Pulling of donor and recipient cells together E) Formation of the complementary strand of the F factor

What term is used to describe bacterial cells that can naturally take up DNA from their environment? A) Auxotrophs B) Hfr cells C) Electroporated cells D) Competent cells

How can hospital personnel prevent the spread of resistant Enterococcus faecium throughout the hospital? A) Hospital staff should wear shoe covers for the duration of their shift. B) Hospital staff should never serve raw fruit and salads to patients. C) Hospital personnel should wash their hands when entering and leaving a patient’s room. D) Hospital … Read more

What is required by an F- cell to become an F+ cell? A) An F- cell to be a recipient B) F plasmid C) Conjugation pilus D) F+ chromosome

What is the key difference between donor cells and recipient cells? A) Cell membranes B) Size C) A chromosome D) An F plasmid

What cellular macromolecule is the fertility factor comprised of? A) Nucleic acid B) Lipid C) Carbohydrate D) Protein

Ribosomes contain which of the following? A) tRNA B) rRNA C) mRNA, tRNA, and rRNA are all found as part of the ribosome. D) mRNA

Which statement about DNA replication is CORRECT? A) DNA ligase helps assemble the leading strand. B) The lagging strand is one of the strands of parental DNA. C) The leading strand is put continuously, and the lagging strand is built in pieces. D) The leading strand is one of the strands of parental DNA. E) … Read more