HeLa cells have been used in research to
a. identify viral strains.
b. investigate cancer.
c. study the effects of radiation on cells.
d. develop tissue culture techniques that produced a
polio vaccine.
e. all of these.
Answer: e
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Which of the following roles do B cells play?
A) antigen presentation B) antigen processing C) antigen uptake D) antigen presentation, processing, and uptake
Hemophilia is an X-linked trait caused by the allele h. About 1 in 10,000 males (0.0001) has hemophilia. The frequency of the h allele in males is therefore _____________________
Fill in the blank(s) with correct word
The size and shape of habitat patches are determined more by the activities of animals than by the interaction of geology, topography, and climate
Indicate whether the statement is true or false
Why are Koch's postulates important to microbiology?
A) They provide a way to select the most effective concentration of antibiotic to use for a patient. B) They enable us to characterize the species of the infectious disease whether it is a bacteria, virus, or fungi. C) They explain how a particular disease produces specified signs in a patient. D) They allowed us to identify the causative pathogens of many infectious diseases. E) They demonstrate the preferred route of infection for a particular disease.