Explanation The photoreceptors are neuron cells called rods and cones. These are located in the retina and respond to light. Rod cells provide black and white vision in dim light and enable humans to see at night and are concentrated around the edges of the retina. Cone cells are concentrated toward the center of the retina. They need more light, but they can detect color. The human eye consists of about 125 million rod cells and 7 million cone cells. The membranes of rods and cone cells are scattered with pigment molecules that absorb light of varying wavelengths...

3rd Edition

ISBN: 9781260635379

Author: Hoefnagels

Publisher: MCG

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Question

Chapter 24, Problem 9WIO

Summary Introduction

To determine:

The role played by rods and cones in the detection of light.

Introduction:

An organ that produces the sense of sight is the eye. It is composed of several different layers: the white, outermost layer called sclera that helps in protecting the inner structures of the eye. The sclera is modified into the cornea towards the front of the eye. The cornea is the transparent and curved window which bends incoming light rays. The internal layer to the sclera is the choroid.

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Chapter 24, Problem 8WIO

Chapter 24, Problem 10WIO

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Chapter 24 Solutions

BIOLOGY: ESSENTIALS >LL< W/ CONNECT

Ch. 24.1 - Prob. 1MC Ch. 24.1 - Prob. 2MC Ch. 24.1 - Distinguish between the central and peripheral...Ch. 24.2 - Describe the parts of a typical neuron.Ch. 24.2 - Prob. 2MC Ch. 24.2 - Prob. 3MC Ch. 24.3 - Prob. 1MC Ch. 24.3 - How does an axon generate and transmit a neural...Ch. 24.3 - Prob. 3MC Ch. 24.4 - Describe the structure of a synapse.

Ch. 24.4 - Prob. 2MC Ch. 24.4 - Prob. 3MC Ch. 24.5 - Prob. 1MC Ch. 24.5 - How do the sensory and motor pathways of the...Ch. 24.5 - Prob. 3MC Ch. 24.5 - Prob. 4MC Ch. 24.6 - Prob. 1MC Ch. 24.6 - What are the major structures in the hindbrain,...Ch. 24.6 - Prob. 3MC Ch. 24.6 - Prob. 4MC Ch. 24.6 - Prob. 5MC Ch. 24.7 - Prob. 1MC Ch. 24.7 - Prob. 2MC Ch. 24.7 - What are the major types of sensory receptors?Ch. 24.7 - Prob. 4MC Ch. 24.7 - What is sensory adaptation, and how is it...Ch. 24.8 - Prob. 1MC Ch. 24.8 - Prob. 2MC Ch. 24.9 - Prob. 1MC Ch. 24.9 - Prob. 2MC Ch. 24.9 - Prob. 3MC Ch. 24.10 - Prob. 1MC Ch. 24.10 - Prob. 2MC Ch. 24.10 - Prob. 3MC Ch. 24.11 - What is the role of mechanoreceptors in the sense...Ch. 24.11 - Prob. 2MC Ch. 24 - Prob. 1MCQ Ch. 24 - Prob. 2MCQ Ch. 24 - Prob. 3MCQ Ch. 24 - Prob. 4MCQ Ch. 24 - Prob. 5MCQ Ch. 24 - In what way are the senses of smell and taste...Ch. 24 - Prob. 1WIO Ch. 24 - Prob. 2WIO Ch. 24 - Prob. 3WIO Ch. 24 - Prob. 4WIO Ch. 24 - How does myelin alter the conduction of a neural...Ch. 24 - Prob. 6WIO Ch. 24 - Prob. 7WIO Ch. 24 - Prob. 8WIO Ch. 24 - Prob. 9WIO Ch. 24 - Prob. 10WIO Ch. 24 - Prob. 1SL Ch. 24 - Prob. 1PIT Ch. 24 - Prob. 2PIT Ch. 24 - Prob. 3PIT

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Solution Summary: The author explains the role of rods and cones in the detection of light. Rod cells provide black and white vision in dim light and enable humans to see at night.

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