Trichomoniasis is caused by a

A. fungus.
B. virus.
C. bacteria.
D. protozoan.


D

Biology & Microbiology

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A student observes a wormlike organism crawling about on dead organic matter. Later, the organism sheds its outer covering. One possibility is that the organism is a larval insect (like a maggot)

However, it might be a member of the phylum ________, and one way to distinguish between the two possibilities is by looking for the presence or absence of ________. A) Platyhelminthes; a cuticle of chitin B) Nematoda; an alimentary canal C) Annelida; a body cavity D) Nematoda; a circulatory system E) Annelida; muscle in the body wall

Biology & Microbiology

Which medium can be described as containing crystal violet dye to inhibit the growth of gram-positive bacteria and fungi and allows many types of gram-negative bacilli to grow?

a. Thayer-Martin agar b. MacConkey agar c. PEA d. Hektoen enteric agar

Biology & Microbiology

Protist is a diverse group of organisms that are similar in

A) rRNA sequences. B) Metabolic type. C) Motility. D) Ecology. E) None of the above.

Biology & Microbiology

Compare and contrast dermatophytosis and pityriasis

What will be an ideal response?

Biology & Microbiology