Trichomonas vaginalis is a ________.

A. protozoan
B. fungus
C. bacterium
D. helminth


Answer: A

Biology & Microbiology

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When a cell membrane engulfs fluid droplets it is called:

A. receptor-mediated endocytosis B. phagocytosis C. osmosis D. pinocytosis E. diffusion

Biology & Microbiology

The ancestors of land plants were aquatic algae. Which of the following is not an evolutionary adaptation to life on land?

A) C? photosynthesis B) a waxy cuticle C) root hairs D) xylem and phloem E) guard cells

Biology & Microbiology

________________are special reproductive organs inside which gamete production occurs.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Bacteria that grow in mine drainage at pH 1-2 are probably which of the following?

A. alkaliphiles B. acidophiles C. neutrophiles D. obligate anaerobes

Biology & Microbiology