Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 34, Problem 6TY
Summary Introduction
Introduction:
In the mammalian eye, the light from the objects is focused on the retina with the help of the lens. After that, the eye carries this signal to the brain through the optic nerve. The brain interprets the visual image which was transmitted.
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Which of the following defines a rod cell of the human eye?
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Chapter 34 Solutions
Principles of Biology
Ch. 34.1 - Prob. 1BCCh. 34.1 - Prob. 1TYKCh. 34.2 - Prob. 1BCCh. 34.2 - Prob. 2BCCh. 34.2 - Prob. 1CCCh. 34.2 - Prob. 1TYKCh. 34.2 - Prob. 2TYKCh. 34.3 - Prob. 1CCCh. 34.3 - Prob. 1TYKCh. 34.4 - Prob. 1CC
Ch. 34.4 - Prob. 2CCCh. 34.4 - Prob. 1TYKCh. 34.4 - Prob. 2TYKCh. 34.5 - Prob. 1CCCh. 34.5 - Prob. 1TYKCh. 34.5 - Prob. 2TYKCh. 34.6 - Prob. 1TYKCh. 34.6 - Prob. 2TYKCh. 34 - Prob. 1TYCh. 34 - Prob. 2TYCh. 34 - The sensory receptors for audition (hearing) are...Ch. 34 - In an experiment to test the function of...Ch. 34 - Prob. 5TYCh. 34 - Prob. 6TYCh. 34 - Prob. 7TYCh. 34 - Prob. 8TYCh. 34 - Which is true? A loss of taste buds would reduce a...Ch. 34 - Prob. 10TYCh. 34 - Prob. 1CCQCh. 34 - Prob. 2CCQCh. 34 - Prob. 3CCQCh. 34 - Prob. 1CBQCh. 34 - Prob. 2CBQ
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- Rods differ from cones in the following ways: a. They detect dim light, not bright light. b. They have a different visual pigment. c. They are not located in the retina. d. All of the above. e. a and b onlyarrow_forwardThe inner layer of the eye includes the _____________. a. lens and choroid b. sclera and cornea c. retina d. start of optic nervearrow_forwardSCIENCE, TECHNOLOGY, AND SOCIETY Cochlear implants bring hearing to many children who are born deaf. The prognosis is best when the device is implanted before the child is three years old (during the early years when language is developed). Many individuals in the deaf community (which consists of individuals born deaf or who are affected by deafness) who communicate with sign language oppose cochlear implants. They do not view the inability to hear as a disability. This perspective raises ethical questions for some families with children who are deaf. Argue for and against cochlear implants for very young children.arrow_forward
- Which the correct order of passing information of light stimuli among cells in the retina? ganglion cell → bipolar cells → photoreceptor photoreceptor → amacrine cells → ganglion cell horizontal cell photoreceptor →ganglion cell Ophotoreceptor → bipolar cells → ganglion cellarrow_forwardWhich is the correct order of passing information of light stimuli among cells in the retina? ganglion cell bipolar cells → photoreceptor photoreceptor amacrine cells ganglion cell horizontal cell photoreceptor ganglion cell photoreceptor → bipolar cells → ganglion cellarrow_forwardWhat is the function of the highlighted portion? Refract light Processes color Creates an action potential Creates 3D perceptionarrow_forward
- key function of rod photoreceptors is to: detect colors detect fine details in the visual field. detect light under low levels of illumination. detect light under high levels of illumination. During phototransduction, transducin activates phosphodiesterase (PDE) that converts: GTP to GDP CGMP to GMP retinal cis to retinal trans retinal trans to retinal cisarrow_forwardClassify statements about the eye as true or false. True The iris regulates the amount of light that enters the eye. The cornea is a transparent covering over the eye. The fovea is the part of the eye where you have the sharpest, most distinct vision. The image formed in the eye is upright. False Adjustments in focus are collectively called accommodation and are made by the ciliary muscle. The fovea is the opening through which light enters the eye. The image seen by the eye should be focused on the pupil Information leaves the eye through the ciliary muscle.arrow_forwardThe role of the ossicles is to of vibrations Decrease the intensity Increase the strenght O Change the wavelengths The fovea is the part of the retina that contains photoreceptors called: Cones Amacrine cells Rods Ganglion cellsarrow_forward
- When a person blinks, the part of the brain that interprets visual stimulation is suppressed. The spontaneous act of blinking is controlled by the area of the brain that controls involuntary movements such as breathing and blood pressure. To determine whether the lack of light or the act of blinking causes the suppression, scientists had subjects close their eyes and then placed a bright flashing light in their mouth to stimulate the photoreceptors in the eyes through the palate. Visual stimulation was still suppressed. So the photoreceptors in the retina were not stimulated even though they were exposed to light. This study demonstrated that when a person blinks, it is the act of blinking and not the absence of light that causes the suppression of visual stimulation. In the diagram above, identify the part of the brain that is suppressed during blinking and the part of the brain that controls involuntary, spontaneous blinking. Select one: a. 3 and 8 b. 2 and 9 c. 5 and 6 d. 1…arrow_forwardThe 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.arrow_forwardTwo objects with the same visual angle will always... have the same retinal image size. be at the same location. be at the same distance. have the same perceived size.arrow_forward
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