Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 28, Problem 3TYK
What causes a nerve signal to move from one end of a neuron along the length of the neuron to the other end? What is a nerve signal, exactly? Why can’t it go backward? How is a nerve signal transmitted from one neuron to the next across a synapse? Write a short paragraph that answers these questions.
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Chapter 28 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 28 - Test your understanding of the nervous system by...Ch. 28 - Fill in the blanks to match some brain structures...Ch. 28 - What causes a nerve signal to move from one end of...Ch. 28 - Prob. 4TYKCh. 28 - Prob. 5TYKCh. 28 - Anesthetics block pain by blocking the...Ch. 28 - Prob. 7TYKCh. 28 - Using microelectrodes, a researcher recorded nerve...Ch. 28 - Prob. 9TYK
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- Why is conduction in a nerve called an electrical phenomenon?arrow_forwardMany neurons have only a single axon, but many terminals at the end of the axon. How does this end structure of the axon support its function?arrow_forwardhe rate of conduction of an action potential along a nerve fiber is affected by a range of things. Which of the following affects the rate of conduction? (can choose multiple answers) 1. Myelin 2. nerve diamter 3. nerve length 4. temperaturearrow_forward
- Draw an arrow showing the direction that an impulse travels along a neuronarrow_forwardSchwann cells are a type of glial cell found in the nervous system. In addition to the conduction of nerve impulses, the outermost layer called neurilemma aids in nerve development and regeneration. Which of the following explains why the neurons in the brain cannot repair damage like the neurons in your hands or feet can?arrow_forwardAt a given synapse, the _____ neuron has neurotransmitter receptors.arrow_forward
- Compare and contrast a physical versus a chemical synapse. Where are these synapses found in the body and how do they work in their respective tissues? What are benefits of each in those tissues? Compare and contrast the role of calcium in cardiac versus skeletal muscle.arrow_forwardWhere are neurotransmitter receptors located?(A) the nuclear membrane(B) the nodes of Ranvier(C) the postsynaptic membrane(D) synaptic vesicle membranesarrow_forwardWhat is the difference between a nerve, such as that found in an arm or leg, and a neuron?arrow_forward
- Name the neurotransmitter that conducts nerve impulse through synapse.arrow_forwardNeurons, particularly those in the brain, receive multiple excitatory and inhibitory signals. What is the name of the extension of the neuron at which such signals are received? How does the neuron integrate these signals to determine whether or not to generate an action potential?arrow_forwardWhat is an electrical synapse? Where can electrical synapses be found? Identify an advantage and a disadvantage of an electrical synapse compared to a chemical synapse.arrow_forward
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