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PreQuiz
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1Coliforms survive in natural waters but will not multiply there.
A)True
B)False



2Which of the following samples would require the largest volume of water to arrive at a statistically significant result from the Membrane Filtration Method?
A)Pond water
B)Water from a drinking fountain
C)Bottled water



3A bacterial colony growing on Endo agar that appears colorless or slightly pink is a ________.
A)lactose fermenter
B)non-lactose fermenter



4Which types of bacteria are inhibited from growing on Endo agar?
A)Gram-positive bacteria
B)Gram-negative bacteria
C)Lactose fermenting bacteria
D)Nonlactose fermenting bacteria



5Endo agar contains lactose as well as what kind of an indicator?
A)High salt
B)Temperature
C)High sugar
D)pH







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