Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 45 - Sensory Systems - 45.4 - Photoreceptors Respond to Light - 45.4 Recap - Learning Outcomes - Page 978: 2

Answer

Cone cells are responsible for light perception. A signal is collected from the hyperpolarization of the cell when the rhodopsin absorbs a photon. Transducin is activated and sodium ions ultimately close to make a more negative membrane potential.

Work Step by Step

Cone cells are responsible for light perception. A signal is collected from the hyperpolarization of the cell when the rhodopsin absorbs a photon.
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