13. Viruses usually initiate infection by first interacting with receptors on th

Question

13. Viruses usually initiate infection by first interacting with receptors on the surface of cells. Which of the following statements is most accurate about cellular receptors for viruses?

a. Cellular receptors for viruses have no known function.

b. All viruses within a given family use the same cellular receptor.

c. All cells in a susceptible host will express the viral receptor.

d. Successful infection of a cell by a virus may involve the interaction with more than one type of receptor.

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14. What was Edward Jenner's contribution to microbiology?

a. He discovered how to create a vaccine to trigger the body's immune system to develop antibodies that fight microbes.

b. He proposed the germ theory.

c. He developed the compound microscope.

d. He developed the binomial nomenclature system.

Explanation / Answer

13. d. Successful infection of a cell by a virus may involve the interaction with more than one type of receptor.

14. a. He discovered how to create a vaccine to trigger the body's immune system to develop antibodies that fight microbes.

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