In humans, and some other vertebrates, the organ that collects sound is called the ____
a. auditory nerve
b. cochlea
c. eardrum
d. pinna
e. round window
ANSWER: d
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Which one of the following characterizes cancer cells?
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If you know that a DNA double helix consists of 20 % adenine, what percentage of the DNA double helix is guanine (G)?
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