Reference no: EM133443187
Questions
1. Which of the following characteristics best describes all oncogenic viruses:
a. contain only DNA
b. contain reverse transcriptase
c. can insert their DNA into a host chromosome
d. can replicate outside of a living cell
2. Reverse transcriptase is an enzyme that can
a. sythesize DNA from an RNA template
b. synthesize RNA from a DNA template
c. transcribe mRNA from DNA
d. remove RNA primers from DNA
3. An example of a latent viral infection influenza
a. common cold
b. cold sores
c. chickenpox
d. Hepatitis A
4. A 65 year old man has painful vesicles distributed over his back in the upper right quadrant and over his right shoulder. His symptoms are most likely due to
a. herpes simplex I virus (HSV-1)
b. varicella-zoster virus
c. rubella virus
d. measles (rubeola) virus
e. human papillomavirus (HPV)
5. What is correct regarding recombinant DNA techniques (genetic engineering)?
a. genes can be transferred between completely unrelated species
b. multiple copies of a gene (or of DNA) can be made
c. bacterial plasmids can be used as a means of transferring genes between organisms
d. protein products produced through genetic engineering can be useful in medicine
e. all the above are correct