Giardia intestinalis produces highly resistant ________ that aid in its fecal-water transmission and attach to the lumen of the intestinal wall
a. merozoites
b. oocysts
c. sporozoites
d. trophozoites
Answer: D
Biology & Microbiology
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A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called ________ culture system.
A. fed-batch B. semicontinuous C. batch D. continuous
Biology & Microbiology
Latex or resin canals evolved independently in more than 40 different lineages of plants
A. true B. false
Biology & Microbiology
Which organism is a member of zygospore-forming fungi?
a. water mold b. smut or rust c. bread mold d. mushroom e. truffle
Biology & Microbiology
One job of the nuclear membrane is to
A. control entry to and exit from the nucleus. B. produce enzymes. C. digest chromosomes. D. contain excess water.
Biology & Microbiology