CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
Publisher: PEARSON
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Chapter 38.6, Problem 2CC
Summary Introduction
To explain:
What if our brain receives more action potentials when our eyes are exposed to light even though our photoreceptors release more neurotransmitter in the dark.
Introduction:
In humans, the vision starts when the photon of the light enters the eye and via pupil and strike the cone and rod cells. The energy of photon shifts the
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WHAT IF? Ouabain, a plant substance used in some cultures topoison hunting arrows, disables the sodium-potassium pump.What change in the resting potential would you expect to seeif you treated a neuron with ouabain? Explain.
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Chapter 38 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
Ch. 38.1 - Which division of the autonomic nervous system...Ch. 38.1 - Prob. 2CCCh. 38.2 - When you wave your right hand, what part of your...Ch. 38.2 - People who are inebriated have difficulty touching...Ch. 38.2 - WHAT IF? Two groups of individuals have CNS...Ch. 38.3 - Prob. 1CCCh. 38.3 - Prob. 2CCCh. 38.3 - WHAT IF? If a woman with a severed corpus callosum...Ch. 38.4 - Which one of the five categories of sensory...Ch. 38.4 - Prob. 2CC
Ch. 38.4 - WHAT IF? If you stimulated a sensory neuron of an...Ch. 38.5 - Prob. 1CCCh. 38.5 - Prob. 2CCCh. 38.5 - Prob. 3CCCh. 38.5 - Prob. 4CCCh. 38.6 - Contrast the light-detecting organs of planarians...Ch. 38.6 - Prob. 2CCCh. 38.6 - MAKE CONNECTIONS Compare the function of retinal...Ch. 38 - Patients with damage to Wernickes area have...Ch. 38 - The cerebral cortex does not play a major role in...Ch. 38 - The middle ear converts A. air pressure waves to...Ch. 38 - Prob. 4TYUCh. 38 - Prob. 5TYUCh. 38 - Prob. 6TYUCh. 38 - Prob. 7TYUCh. 38 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 38 - Prob. 9TYUCh. 38 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 38 - Prob. 11TYU
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- 4. Frequency (a) (b) (c) (d) (e) selectivity of the inner hair cells is greatly enhanced by: force generated by the opening of the mechanotransduction cells. channel in inner hair force generated by the opening of the mechanotransduction channel in outer hair cells. myosin motors at the tips of the stereocilia. voltage-dependent changes in length of the outer hair cells. All of the abovearrow_forwardFIll in blank.arrow_forwardConsidering that all action potentials stimuli? are essentially the same, how do we differentiate visual from auditoryarrow_forward
- Please answer asaparrow_forward1. Protein anions have a charge. However, they do not move across the membrane to produce changes in RMP. Why? 2. At the molecular level, what causes the absolute refractory period? 3. At the molecular level, what is different during the relative refractory period? 4. What would happen if Na+ channels opened and stayed open? 5. How is stimulus intensity coded in APs? 6. What effect does AP frequency have on NT release?arrow_forwardG5arrow_forward
- Please ASAP. Thanku. What is a receptor (generator) potential? a. A potential that is generated by the sensory stimulus b. A change in the membrane potential of the receptor cell caused by a physical stimulus c. Compound nerve action potential d. A change in the membrane potential of the ascending axonarrow_forwardPlease asaparrow_forwardWhat channels are open at 3 if this was recorded on the axon of a sensory neuron? Check all that apply 1. K+ voltage gated channels 2. K+ leak channels 3. Na+ ligand gated channels 4. Na+ stimulus gated channels 5. Na+ voltage gated channels 6. Ca+ voltage gated channels 7. Cl- ligand gated channelsarrow_forward
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