exam 4 key(1)

exam 4 key(1) - Exam 4 key 1. Which of the following is not...

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Exam 4 key 1. Which of the following is not true for sensory processing? Stimuli can mechanically open or close G-protein coupled receptors. 2. A receptor potential … is a stimulus-induced change in the membrane potential at a specialized region of a sensory cell. 3. Which of the following is not a correct mechanism of vertebrate taste? Salt: Na+ influx through voltage-gated Na+ channels depolarizes the taste receptor cell. Sour: protons suppress metabotropic signaling cascade mediating the sweet taste. Bitter: bitter-taste substances suppress a G-protein coupled 2nd messenger system, leading to the close of the TRPM5 channels. Note: three are correct answers, you get points for answer either one. 4. A single olfactory receptor cell in mammalian olfactory epithelium ___ . can send odor information directly to the olfactory bulb 5. The structure on which the cochlear hair cells reside … . basilar membrane 6. The following events take place between the time a sound wave arrives at the inner ear to the formation of a train of APs in the auditory sensory nerve. What is the correct sequence of these events? (1) formation of receptor potential
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This note was uploaded on 05/16/2011 for the course BIO 305 taught by Professor Lohr during the Spring '11 term at UMBC.

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exam 4 key(1) - Exam 4 key 1. Which of the following is not...

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