Interpretation of smell is accomplished
a. by the nasal epithelium.
b. in the olfactory receptors.
c. by centers in the brainstem.
d. by the cerebral cortex.
e. independently of olfactory receptors.
D
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What is chemiosmosis?
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Which one of the following has had the greatest evolutionary impact on deep-sea organisms?
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A positive effect associated with pesticide usage does not include
a. killing disease-causing insects. b. killing some pathogens. c. increasing food supplies. d. increasing profits for farmers. e. causing cancer.