Explanation The rods and cones are the photoreceptors present in the retina of eye. The rod cells are present around the edges of the retina and provide a black and white vision in low intensity light which enables us to see in dark. The rod cells present in human eye are about 125 million

5th Edition

ISBN: 9781266382307

Author: Hoefnagels

Publisher: MCG

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Question

Chapter 27, Problem 11WIO

Summary Introduction

To explain:

The roles of rods and cones in the sense of sight.

Concept introduction:

Photoreceptors are the sensory receptors which is responsible for the detection of light. Photoreceptors are of two types the rods and cones. These photoreceptors are present in the retina of the human eye. These photoreceptors transmit the neural impulses to the brain and induce a sense of sight.

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Chapter 27, Problem 10WIO

Chapter 27, Problem 12WIO

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Chapter 27 Solutions

BIOLOGY: CONCEPTS AND INVESTIGATIONS,

Ch. 27.1 - Prob. 1MC Ch. 27.1 - Prob. 2MC Ch. 27.1 - Prob. 3MC Ch. 27.1 - Prob. 4MC Ch. 27.1 - Prob. 5MC Ch. 27.2 - Prob. 1MC Ch. 27.2 - Prob. 2MC Ch. 27.3 - Prob. 1MC Ch. 27.3 - Prob. 2MC Ch. 27.4 - Prob. 1MC

Ch. 27.4 - Prob. 2MC Ch. 27.4 - Prob. 3MC Ch. 27.5 - What are the parts of the ear, and how do they...Ch. 27.5 - How does the vestibular apparatus provide the...Ch. 27.6 - Prob. 1MC Ch. 27.6 - Prob. 2MC Ch. 27 - As you snuggle into bed, you feel the weight of...Ch. 27 - Prob. 2MCQ Ch. 27 - Prob. 3MCQ Ch. 27 - The structures that enable bees to see flowers are...Ch. 27 - What is the function of hair cells in the cochlea?...Ch. 27 - A male moth uses his antennae to detect the...Ch. 27 - Prob. 2WIO Ch. 27 - Prob. 3WIO Ch. 27 - Try as you might, you cannot tickle yourself....Ch. 27 - Prob. 5WIO Ch. 27 - How does the nervous system differentiate among...Ch. 27 - Prob. 7WIO Ch. 27 - Prob. 8WIO Ch. 27 - Explain why some people hold their nose when...Ch. 27 - Suppose you put on glasses belonging to someone...Ch. 27 - Prob. 11WIO Ch. 27 - Prob. 12WIO Ch. 27 - In a rare condition called synesthesia,...Ch. 27 - Prob. 1PIT Ch. 27 - Prob. 2PIT

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Solution Summary: The author explains the roles of rods and cones in the sense of sight.

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