Packet 5: Tossup 1

This faculty is thought to influence mate selection by allowing the detection of differing major histocompatibility complex genes. (15[2])This faculty’s “swipe card” model is based on molecular vibrations, (15[1])in contrast to its “lock and key” model (15[1]-5[1])based on molecular (-5[1])docking. (15[1]-5[4])Though it doesn't involve the eye, (15[1]-5[1])this faculty is mediated by rhodopsin-like (“roh-DOP-sin like”) receptors in the (*) cilia (10[1])(“SILL-ee-uh”) of namesake receptor (-5[1])neurons. This faculty is processed by a namesake “bulb” in the forebrain, (10[1])and it is controversial (10[1])whether humans can communicate using it by (10[1])secreting pheromones. (10[2])For (10[1])10 points, (10[1])name this sense which allows the detection (10[1])of odors by the nose. (10[3])■END■ (10[8])

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