The first surgical anticeptic to be used was

A. iodine
B. ethanol
C. phenol
D. none of these choices


Answer: C. phenol

Biology & Microbiology

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What might be the predominant lifestyle on Earth?

A. omnivory B. masting C. herbivory D. commensalism E. parasitism

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The process of crossover is best defined as genetic recombination that occurs between ________.

a. non-sister homologous chromatids in meiotic prophase I b. sister chromatids in meiotic prophase II c. non-sister chromatids in meiotic prophase II d. sister chromatids in meiotic prophase I

Biology & Microbiology

The chewy, stringy cells in celery are which cells?

a. xylem b. collenchyma c. phloem d. sclerenchyma e. parenchyma

Biology & Microbiology

All of the following are autoimmune diseases

EXCEPT a. Graves’ disease. b. multiple sclerosis. c. rheumatoid arthritis. d. AIDS. e. lupus.

Biology & Microbiology