Which of the following methods of preserving food sterilizes it?
A) canning
B) pasteurization
C) drying
D) gamma radiation
E) lyophilization
D
Bloom's Taxonomy: Comprehension
Section: Food Microbiology
Learning Outcome: 25.3
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Hydrogen sulfide is transformed into sulfate or elemental sulfur by
A) protozoans. B) bacteria. C) fungi. D) algae.
"Runs" are bacterial movements that come from rotating a flagellum_________.
a. clockwise b. counter-clockwise c. up and down d. in and out
Which of the following is a typical characteristic of molluscs?
A) a gastrovascular cavity with only one opening B) a sessile lifestyle C) an internal skeleton and segmented body plan D) a rasping organ called the radula
Ultraviolet light can cause the potentially deadly skin disease
A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate