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Compare the hyperpolarizing response to light in vertebrate rods and cones with the depolarizing response to light in the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express melanopsin. Describe the signal transduction cascades downstream of opsin activation and explain why there is an opposite response to light. Compare the change in membrane resistance caused by light in rods (and cones) vs. ipRGCs that express melanopsin.

Compare the hyperpolarizing response to light in vertebrate rods and cones with the depolarizing response to light in the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express melanopsin. Describe the signal transduction cascades downstream of opsin activation and explain why there is an opposite response to light. Compare the change in membrane resistance caused by light in rods (and cones) vs. ipRGCs that express melanopsin.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Compare the hyperpolarizing response to light in vertebrate rods and cones with the depolarizing response to light in the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express melanopsin. Describe the signal transduction cascades downstream of opsin activation and explain why there is an opposite response to light. Compare the change in membrane resistance caused by light in rods (and cones) vs. ipRGCs that express melanopsin.
Transcribed Image Text:Compare the hyperpolarizing response to light in vertebrate rods and cones with the depolarizing response to light in the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express melanopsin. Describe the signal transduction cascades downstream of opsin activation and explain why there is an opposite response to light. Compare the change in membrane resistance caused by light in rods (and cones) vs. ipRGCs that express melanopsin.
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