Using the periodic table as your tool, identify the atomic characteristic that would most quickly and efficiently identify any single element.
A. number of neutrons and electrons
B. number of protons and electrons
C. number of shells
D. number of neutrons
Answer: B
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The most common infectious agent acquired from the bite wounds of a number of kinds of animals is
A. Escherichia coli. B. Pasteurella multocida. C. Actinomyces israelii. D. Pseudomonas aeruginosa.
It is important to be able to repeatedly fractionate the cell
a. true b. false
From what food source do most of the calories in a typical American diet come?
A) meat B) cereal grains C) legumes D) plant leaves
A child is born with a rare disease in which mitochondria are missing from certain skeletal muscle cells. Physicians find that the muscle cells function. Not surprisingly, they also find that ________
A) the muscles contain large amounts of lactic acid following even mild physical exercise B) the muscles contain large amounts of carbon dioxide following even mild physical exercise C) the muscles require extremely high levels of oxygen to function D) the muscle cells cannot split glucose to pyruvic acid