Tuberculosis is caused by a

A. fungus.
B. bacterium.
C. worm.
D. protist.
E. virus.


Answer: B

Biology & Microbiology

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Membrane proteins may function in

A) receiving extracellular signals. B) amphipathic modification. C) temperature control. D) protein manufacture. E) information storage.

Biology & Microbiology

Axonal transport of proteins occurs along a track formed by _______.

a. microtubules b. neurofilaments c. anterograde cytoskeleton d. retrograde cytoskeleton

Biology & Microbiology

All of the following are terrestrial biomes EXCEPT

A. lentic systems. B. tundra. C. deserts. D. savannas. E. coniferous forests.

Biology & Microbiology

Without the formulation of an ectoderm, vertebrates would not form

A) a nervous system. B) a liver. C) a pancreas. D) a heart. E) kidneys.

Biology & Microbiology