Questions and Answers

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

If one donor cell is mixed with 20 recipient cells, eventually _ cells will become donors.
2
5
10
15
20

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

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

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

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

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

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

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