A virus was used to alter human cells. mRNA for a gene was inserted into the virus, and the virus infected the human cells and inserted the gene into the genome of the cell. What type of virus could do this?
a. the T4 bacteriophage
b. a temperate phage
c. a retrovirus
d. all of the above
Answer: C
Biology & Microbiology
You might also like to view...
Chemical mutagens that mimic the naturally occurring bases are called
A. nitrogen mustards. B. alkylating agents. C. base analogs. D. nitrous oxide.
Biology & Microbiology
Which of the following is the most serious toxin involving acetylcholine?
a. Botulinum b. Prairie rattlesnake venom c. Hemicholinium-3 (HC-3) d. Black widow spider venom
Biology & Microbiology
Which of the following tropisms is the
response to touch in plants?
a. gravitropism b. phototropism c. thigmotropism d. mechanotropism e. chemotropism
Biology & Microbiology
Modern humans evolved about
a. 200,000 years ago. b. 2,000,000 years ago. c. 2,000,000,000 years ago. d. 4,600,000,000 years ago.
Biology & Microbiology