Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 43, Problem 7TYU
Summary Introduction
To determine: The sequence in which information passes through the optic nerve, bipolar cells, rods and cones, and ganglion cells in the vertebrate eye.
Introduction: The eye is a visual organ, having the ability to receive and process visual information. It can detect and convert light into
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The function of the vertebrate eye is unusual compared with other processes found within the body. For example, the direction in which sensory information flows is actually opposite to the path that light takes through the retina. Explain the sequence of events involved in the movement of light and information through the structures of the eye and explain why they move in opposite directions. Compare this sequence to the functioning of the Mollusk eye.
Review how photoreceptors within the eye detect light and transmit that information to the brain, by identifying each lettered structure in the figure below and answering the questions that follow:
A:
B:
C:
D:
E:
F:
G:
Which structure responds to color?:
Which structure responds to dim light and movement?:
Which two structures release neurotransmitters in response to light?:
Which structure binds to those neurotransmitters, relays an action potential, and releases a second set of neurotransmitters?:
Which structure binds to this second set of neurotransmitters and relays an action potential through the optic nerve to the brain?:
Which direction does light travel through the retina? Toward the choroid or away?:
Which direction do neural signals travel through the retina? Toward the choroid or away?:
How does the eye transduce light energy into a neural message? What is the blind spot in the eye and how does it impact the transduction of light energy? Please include references.
Chapter 43 Solutions
Biology (MindTap Course List)
Ch. 43.1 - How Sensory Systems Work LEARNING OBJECTIVES 1...Ch. 43.1 - Prob. 2LOCh. 43.1 - Prob. 1CCh. 43.1 - PREDICT Imagine that you are hiking along a bay...Ch. 43.1 - Prob. 3CCh. 43.1 - Identify five kinds of sensory receptors based on...Ch. 43.2 - Prob. 3LOCh. 43.2 - What are the functions of thermoreceptors in...Ch. 43.3 - Prob. 4LOCh. 43.3 - Prob. 1C
Ch. 43.3 - Prob. 2CCh. 43.4 - Describe the functions of nociceptors and identify...Ch. 43.4 - Prob. 1CCh. 43.4 - Prob. 2CCh. 43.5 - Prob. 6LOCh. 43.5 - Compare the structure and function of the saccule...Ch. 43.5 - Prob. 8LOCh. 43.5 - Prob. 1CCh. 43.5 - Prob. 2CCh. 43.5 - List the sequence of events involved in hearing.Ch. 43.6 - Prob. 9LOCh. 43.6 - Prob. 1CCh. 43.7 - Prob. 10LOCh. 43.7 - Prob. 11LOCh. 43.7 - Prob. 12LOCh. 43.7 - Prob. 1CCh. 43.7 - What happens when light strikes rhodopsin?...Ch. 43.7 - What is the sequence of neural signaling in the...Ch. 43.7 - What is meant by the statement Vision happens...Ch. 43 - Test your Understanding Know and Comprehend 1. A...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - Prob. 7TYUCh. 43 - Prob. 8TYUCh. 43 - Prob. 9TYUCh. 43 - Prob. 10TYUCh. 43 - Prob. 11TYUCh. 43 - SCIENCE, TECHNOLOGY, AND SOCIETY Cochlear implants...
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- define visual feedback and provide a description of the principle.arrow_forwardExplain why different types of receptor cells and neural circuits are required for day and night vision.arrow_forwardPlease give answer What are the roles of the cornea, the iris, the pupil, and the lens in human vision?arrow_forward
- Draw a labelled diagram of the eye and discuss the mechanism ofphototransduction in rod and cone cells.arrow_forwardPlease ASAP> Thanku Which of the following statement about the eye is false: a.Retinal ganglion cells are the only cell type in the retina which fire action potential b.Rods are concentrated in the periphery of the retina c.Cones are concentrated in the fovea d.Cones are very sensitive to dim illuminationarrow_forwardDiagram and describe how lateral inhibition via horizontal cellsproduces the surround of a retinal ganglion cell’s receptive field.arrow_forward
- Can measures of sensory acuity be obtained through filaments and biothesiometer? Explan why or why not Do you tink changing the frequency of the biothesiometer vibrations would affect your measured results? Why? Which settings affect the frequency of stimulation, which affect amplitudearrow_forwardMatch the proper structure with its physiological role or sensory organ. transduce both sound and motion densely clustered in fovea of retina 1. rods amino acids trigger second messengers 2. cones 3. hair cells H+ depolarizes the receptor 4. semicircular canals contain taste buds 5. cochlea sense airborne molecules 6, middle ear 7. olfactory receptors contains the organ of Corti 8. papillae bones here amplify vibrations of the tympanic membrane 9. umami 10. Sour sense low levels of light one for each 3D plane 000000arrow_forwardHow does the human eye work as an optical system? Briefly describe the process of vision.arrow_forward
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