Cryptosporidium parvum oocysts are highly resistant to

A) heat.
B) filtration.
C) desiccation.
D) chlorine.


Answer: D

Biology & Microbiology

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Proteins derived from infecting viruses are taken up and digested in the cytoplasm in a structure called the

A) phagosome. B) liposome. C) proteasome. D) nucleosome.

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What is nutritional immunity?

a. acquired resistance to food-borne allergens b. withholding of nutrients necessary for pathogen replication c. the relationship between the efficacy of the immune system versus food intake d. the body’s ability to protect itself from infection by digesting pathogens

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Large gut populations of Bifidobacterium are

associated with:a. stomach cancer. b. irritable bowel syndrome. c. gastroesophageal reflux disease. d. improved immune function. e. increased vital capacity

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The most common immunoglobulin deficiency is an IgG deficiency.

Answer the following statement true (T) or false (F)

Biology & Microbiology