Which mechanoreceptor(s) responds to vibrations?
a. free nerve endings only
b. Pacinian corpuscle only
c. Ruffini endings only
d. free nerve endings and Meissner's corpuscle
e. Pacinian corpuscle and Ruffini endings
ANSWER: e
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Which of the following is NOT a characteristic of a virus?
A. Containing nucleic acid B. Surrounded by capsid proteins C. Containing ribosomes for translation D. Nonliving
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