Diagnosis of hepatitis B infection is made by the observation of which of the following in the patient's body fluids?
A) O antigens
B) enterotoxins
C) endospores
D) oocysts
E) Dane particles
E
Bloom's Taxonomy: Knowledge
Section: Viral Diseases of the Digestive System
Learning Outcome: 23.20
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Which of the following strategies of sexual reproduction will result in the most genetic diversity?
A. Sexual reproduction of homothallic species B. Sexual reproduction of heterothallic species C. Sexual reproduction via arthroconidia D. Sexual reproduction via sporangiospores
A traditional technique used to quantify specific types of microbes in natural samples, enrichment cultures, and food or water samples is known as the ________ ________ ________ technique.
Fill in the blank(s) with the appropriate word(s).
The Gause experiments showed that ________
a. two species of protozoan grown individually had the same growth curve as when grown together b. competitive exclusion only exists between very different species c. two species of protozoan could share the same resources d. competitors cannot coexist in a habitat when they need exactly the same limited resource
Which wastewater treatment process produces BOD-containing effluent used for irrigation?
A) anaerobic sludge digestion B) primary sewage treatment C) secondary sewage treatment D) tertiary sewage treatment E) water treatment