Round 5: Tossup 1

This faculty is thought to influence mate selection by allowing the detection of differing major histocompatibility complex genes. This faculty’s “swipe card” model is based on molecular vibrations, in contrast to its “lock and key” model (15[1])based on molecular (-5[1])docking. (15[1]-5[3])Though it doesn't involve the eye, (15[1])this faculty is mediated by rhodopsin-like (“roh-DOP-sin like”) receptors in the (*) cilia (“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 whether humans can communicate using it by secreting pheromones. (10[1])For (10[1])10 points, name this sense which allows the detection (10[1])of odors by the nose. (10[3])■END■ (10[6])

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