What is the natural reservoir of Clostridium tetani?

a. air
b. water
c. soil
d. mammals


Answer: C

Biology & Microbiology

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Which of the organs listed is not part of the GI tract?

A. gallbladder B. esophagus C. stomach D. small intestine

Biology & Microbiology

The white, sticky, toxic liquid that runs through some plant veins and is particularly common in plants of the milkweed family is called ___________

A. filament B. nectar C. alkaloid D. latex E. tannin

Biology & Microbiology

In many animals, this polysaccharide is found in large quantities in liver and muscle cells. It is highly branched, with

many a(1-4) and a(1-6) linkages.

a. chitin b. amylopectin

c. cellulose d. glycogen e. amylose

Biology & Microbiology

In addition to being a group of gram-negative bacteria considered normal flora of the gastroin-testinal tract of humans and animals, which one of the following also contains agents of impor-tant diseases such as gastroenteritis and enteric fevers, urinary tract infections, and bacterial pneumonia?

a. Neisseriaceae b. Micrococcaceae c. Enterococcus d. Enterobacteriaceae

Biology & Microbiology