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Other quiz:

Urinary System › View

With what can kidney be compared according to its function?

A. Sponge

B. Bean

C. Filter

D. Pelvis

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Microbiology › View

Superantigens are

A. body tissues that the immune system mistakes as foreign.

B. bacterial toxins that activate T cells at a 100 times greater rate than other antigens.

C. cell markers found in some member of a species but not in other members.

D. antigens that evoke allergic reactions.

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