A patient has amebic colitis. A microscopic examination reveals the following: • 18 µm in diameter • Fine granules • Centrally located karyosome • Cytoplasm with a "ground-glass" appearance • RBC inclusions This protozoan can be identified as:

a. Entamoeba dispar.
b. E. histolytica.
c. Entamoeba hartmanni.
d. E. coli.


B
These characteristics are all associated with E. histolytica infections.

Biology & Microbiology

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Which plant's seeds are "naked", or not within a fruit?

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What were the long-term responses of each population following the removal of the mice? a. At about year 40, the deer mice population began to re-establish, but then crashed quicklyafter that

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The solvent, cohesive, and temperature stabilization properties of water are primarily due to its ____

a. ability to promote hydrophilic interactions b. ionic bonds c. hydrogen bonds d. ability to promote hydrophobic interactions e. nonpolar nature

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In humans, the transparent sac that contains fluid that cushions the embryo and maintains a constant temperature and pressure is the

A. amnion. B. yolk sac. C. embryonic disc. D. chorionic villus. E. chorion.

Biology & Microbiology