Entamoeba histolytica can cause amoebic dysentery. It moves using pseudopodia, feeds heterotrophically, and is unicellular. Entamoeba histolytica is which of the following?
A. a protozoan
B. an alga
C. a slime mold
D. a diatom
E. a dinoflagellate
Answer: A. a protozoan
Biology & Microbiology
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A nonliving source of an infectious agent that infects a large number of people is called a
A) fomite. B) reservoir. C) vector. D) vehicle.
Biology & Microbiology
The Atlantic Ocean supports fewer coral species because most of the Atlantic is
a. too warm. b. too stagnant. c. too clear. d. too cold. e. too nutrient-rich.
Biology & Microbiology
What is an end product of cellular respiration?
a. sugar b. light c. oxygen d. glucose e. carbon dioxide
Biology & Microbiology
Is an individual with the XXY combination of chromosomes anatomically male or female?
A) Male B) Female
Biology & Microbiology