This microbe causes syphilis

a) Chikungunya
b) Chlamydia trachomatis
c) Treponema pallidum
d) None of the above


Answer: c) Treponema pallidum

Biology & Microbiology

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Which type of leukocyte is involved in killing eukaryotic parasites?

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In which one of the following locations does fertilization usually occur?

A) oviduct B) ovary C) uterus D) cervix E) vagina

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A set of cells in the intestinal epithelium divide continually to replace dead cells lost from the surface of the intestinal lining. If you examined this continually dividing population of intestinal epithelial cells under the microscope, most of the cells would

a. be in meiosis. b. be in mitosis. c. be in interphase. d. have condensed chromatin. e. Both b and d

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Organic compounds that cannot be synthesized by an organism but are essential for growth are called

A) Growth factors B) Limited nutrients C) Cofactors D) None of the above

Biology & Microbiology