Questions and Answers

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

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 are applications

What does bacterial growth on a plate containing a particular trait (such as antibiotic resistance) after a bacterial conjugation experiment indicate? A. The bacterial colonies have acquired the trait from the F- strain (recipient). B. The bacterial colonies have resisted the trait and not undergone conjugation. C. The bacterial colonies have undergone mutation and developed the trait on their own. D. The bacterial colonies growing on the plate have likely undergone conjugation and acquired the desired trait from the F+ strain (donor).