Bacteriology

Plasmids are small pieces of DNA that may carry genetic information for antibiotic resistance. True False

The particular virus studied in this research was one that infects E-coli bacteria called: T-4 West Nile Virus Varicella zoster HIV

The mechanism of entry into a host cell involves protein rearrangements in what part of the virus structure? Capsid Base plate DNA Tail Fibers

Donor DNA is combined with recipient DNA by homologous recombination. A) True B) False

What type of microscope has a high enough resolution to examine some viruses? Compound microscope Stereomicroscope Electron microscope Phase contrast microscope

When DNA from an ampicillin-resistant organism is brought into an ampicillin-sensitive organism by transformation and the product is grown on agar containing ampicillin: A) Only the transformed cells will grow B) Only donor cells will grow C) All cells grow D) No cells grow E) Only ampicillin-sensitive cells grow

In transformation, both strands of donor DNA enter the recipient cell. A) True B) False

The mismatch repair system will repair: A) Only mismatching donor sequences B) Only mismatching recipient sequences C) Both sides of mismatching sequences D) Either the donor or the recipient strand

Which of the following is an extended medical application to understanding how viruses attack? Using viruses to assist in DNA Fingerprinting Using viruses to insert healthy DNA into cells whose genetic material has been damaged by injury or disease. Using viruses for gene therapy technique Two of the above are applications All of the above … Read more

DNA transformation involves the transfer of DNA via: A) Pili B) Naked DNA in solution C) A restriction endonuclease D) A bacteriophage