Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Chapter 19, Problem 4MC

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Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Which of the following descriptions of photoreceptors in the eye is NOT correct? a. Cones are concentrated in the fovea of the retina and function to detect colours. b. Rods are concentrated at the periphery and function well in dim light. c. Rods are concentrated in the fovea of the retina and function well in dim light. d. Rods are sensitive to light and register black and white. Cones detect colours.

Choose the structure that corresponds to each statement. a. bipolar cell layer e. macula lutea b. central fovea f. optic disc c. cones g. photoreceptor layer d. ganglion cell layer h. rods 1. has the highest density of cones in the retina 2. axons form optic nerve 3. does not contain photoreceptors; blind spot 4. photoreceptor that allows us to see color 5. contains rods and cones 6. the center of the neural portion of the retina 7. photoreceptor used in night vision 8. rods and cones synapse on these cells

Which of the following statements aboutphotopic vision is false?a. It is mediated by the cones.b. It has a low threshold.c. It produces fine resolution.d. It does not function in starlight.e. It does not employ rhodopsin.

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Question

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Answer 3

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Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Answer 4

Question

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Answer 5

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

Answer 6

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

Answer 7

Chapter 19, Problem 4MC

Summary Introduction

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

Answer 8

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Answer 11

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Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

Solution Summary: The author explains that photoreceptors are present inside the retina and help in visual phototransduction. Cone cells perceive color and sharp vision of an organism.

Videos

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Chapter 19 Solutions

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

Solution Summary: The author explains that photoreceptors are present inside the retina and help in visual phototransduction. Cone cells perceive color and sharp vision of an organism.

Videos

Introduction: Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.

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Chapter 19 Solutions

Introduction:

Photoreceptors are present inside the retina and help in visual phototransduction. These receptor cells have the ability to convert light into the electrical signals and generate a nerve impulse.