The low molecular weight protein produced by animal cells in response to viral infections is

A. complement.
B. lysozyme.
C. histamine.
D. interferon.


D

Biology & Microbiology

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The myocardium is the

A. sac surrounding the heart. B. layer of endothelial cells lining the wall of the heart. C. artery that carries blood away from the heart. D. artery that carries blood to the heart. E. thick, muscular layer of the wall of the heart.

Biology & Microbiology

Which definition would best describe the mode of nutrition of Euglena?

A. heterotrophic B. mixotrophic C. photoautotrophic D. decomposer E. carnivorous

Biology & Microbiology

Crossing over is facilitated by a ____ orientation between homologous chromosomes.

A. tightly angled B. separated, perpendicular C. tight, perpendicular D. separated, parallel E. tight, parallel

Biology & Microbiology

All of the following pertain to pinworm infections EXCEPT

A) transmission is typically by contact with fomites or inhalation of eggs. B) diagnosis is by detecting eggs on transparent tape pressed to the perianal area. C) all family members living with the patient must also be treated. D) it is most commonly transmitted by cysts in water. E) it is a helminth disease.

Biology & Microbiology