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The Gram stain is used for bacteria that have cell walls while the acid-fast stain is used primarily for wall-less bacteria.

Which causes the most stress to overloaded municipal wastewater plants?

Approximately one month upon returning from a river rafting trip in South America, a college student develops a fever accompanied by chills, muscle aches, and abdominal discomfort. After being examined by physicians at the university health center, the student is referred to an infectious disease specialist, where a diagnosis of schistosomiasis is made. Schistosoma is a helminth that contaminates freshwater in areas that lack proper sanitation, and often leads to infection when the water is used for swimming or bathing. In this case, bloodwork from the student would most likely reveal an elevation in which of the following cells?

Rapid sand filtration, used in many water purification plants, is sufficient to ensure that Giardia will be consistently removed.

Which fungal group includes organisms used for the manufacture of anesthetics, birth control agents, industrial alcohols, meat tenderizers, and yellow food coloring?

Urediniomycetes are the class of basidiomycetes that cause plant rusts.

The arrangement of organisms into groups is best described as _________.

Which is not a cardinal sign or symptom of inflammation?

Which of the following human diseases can be caused by microsporidia? (Check all that apply.)

Ivan, a college student, wants to buy an appliance on credit for $2,000. The lender requires that Ivan have a person with a credit score of 650 or greater guaranty the loan. If Ivan misses a payment, may the lender sue the guarantor?