Where would you be most likely to encounter E. coli bacteria?
A) in bulging canned foods
B) on the surface of the skin
C) in unpasteurized milk
D) in the walls of the lungs
C
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A student measuring the pH of the water in a fish tank found it to have a pH of 8. Which one of the following statements is TRUE regarding that solution?
A) The water is alkaline. B) The water does not contain hydrogen ions. C) The water contains equal numbers of hydrogen ions and hydroxyl ions. D) The water is highly acidic. E) The water is more alkaline than a solution with a pH of 10.
Human population began to rise rapidly following the
A) Industrial Revolution. B) end of World War I. C) period known as the Black Death. D) end of the 20th century. E) end of the Ice Age.
What would happen to a plant cell in a hypertonic environment?
A. There would be no change. B. It would swell and burst. C. Its turgor pressure would increase. D. It would shrink.
Describe the modern techniques for studying marine biology and the dissemination of information about marine biology
What will be an ideal response?