Which is the most common type of virulence gene transferred between fecal bacteria?

A. toxin production
B. capsules
C. fimbriae
D. hemolysins
E. All of the above


Answer: E. All of the above

Biology & Microbiology

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The major histocompatability (MHC) molecule is important in a T cell's ability to _____

A) distinguish self from nonself B) recognize specific parasitic pathogens C) identify specific bacterial pathogens D) identify specific viruses E) recognize differences among types of cancer

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Carbon fuchsin contains:

a) acid fuchsin and hydrochloric acid b) acid fuchsin and phenol c) basic fuchsin and hydrochloric acid d) basic fuchsin and phenol

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The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (Choose the most accurate term.)

A) infected B) parasitized C) colonized D) contaminated E) infiltrated

Biology & Microbiology

Most mammals have uricase, which converts uric acid into

A. ammonia. B. allantoin. C. urea. D. water.

Biology & Microbiology