Which of the following would likely be the most difficult to kill if you were you to can your own food?

A) streptococci
B) endospores
C) biofilms
D) staphylococci


B

Biology & Microbiology

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A wide variety of microorganisms are commercially used to manufacture ________ for human consumption.

A. sugars B. fatty acids C. vitamins D. none of the choices

Biology & Microbiology

Which gland is associated with biological

clocks or biorhythms?

a. pineal b. parathyroid c. hypothalamus d. pituitary e. thymus

Biology & Microbiology

Approximately how many years ago did humans of the genus Homo first inhabit eastern Africa?

a. 6 million b. 4 million c. 3 million d. 2 million e. 1 million

Biology & Microbiology

A small population of a species invades an island where the species is not found. If the population becomes a new species, this is an example of:

a. the dumbbell model of allopatric speciation. b. the peripheral isolate mode of allopatric speciation. c. sympatric speciation. d. parapatric speciation.

Biology & Microbiology