You have to determine what method is best to prevent the growth of microorganisms in your company's food, ham roasts. This method should be efficient, have a high kill rate, not change the food integrity or taste for the most part, and not add much in the way of chemicals. What would you choose?
A. Gamma radiation
B. Pasteurization
C. Filtration
D. Food preservatives
E. Freezing
Answer: A
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If all of the restriction fragments in a DNA digest were of very low molecular weight, then all of the fragments on the electrophoretic gel will be closest to the positive pole and furthest from the negative pole.
Answer the following statement true (T) or false (F)
The Staphylococcaceae staphylococcus that is more likely to cause uncomplicated urinary tract infections in nonhospitalized hosts, especially sexually active young women, is:
a. S. saprophyticus. b. S. aureus. c. S. epidermidis. d. S. intermedius.
An example of a fluid feeder is a ____
a. hummingbird b. lamprey c. gray whale d. snake e. heron
What kind of symbiosis occurs between bioluminescent bacteria and its host?
a. Commensalism b. Mutualistic c. None of these choices d. Parasitism