Severe frothy diarrhea with a "rotten-egg" smell accompanied by abdominal pain, bloating, and fever are signs and symptoms consistent with
A. balantidiasis.
B. Chagas' disease.
C. cryptosporidiosis.
D. giardiasis.
E. leishmaniasis.
Answer: D
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Penicillin would be most effective against
A. non-growing bacteria. B. growing bacteria. C. Gram-positive bacteria. D. Gram-negative bacteria. E. growing bacteria AND Gram-positive bacteria.
Changes in ________ represent the predominant cause for biological evolution.
A. homeostasis B. growth and development C. reproduction D. genetic makeup E. energy
Why can a person who is unable to produce insulin be successfully treated with insulin derived from genetically modified bacteria?
A. Bacterial insulin is similar enough to human insulin to serve the same purpose. B. Typical bacterial insulin is exactly the same as human insulin. C. The insulin-producing gene of bacteria was altered to have the same base sequence as the human counterpart and now produces the human version of insulin. D. The gene that produces insulin in humans was inserted into the bacteria where it continues to produce human insulin.
After plant mitosis, the vesicles fuse into a disk-shaped __________. Fill in the blank(s) with the appropriate word(s)