CAMPBELL BIOLOGY CUSTOM W/MASTERING
5th Edition
ISBN: 9781323764534
Author: Reece
Publisher: PEARSON C
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Chapter 48.3, Problem 2CC
In multiple sclerosis (from the Greek skleros, hard), a person's myelin sheaths harden and deteriorate. How would this affect nervous system function?
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In multiple sclerosis (from the Greek skleros, hard), a person’s myelin sheaths harden and deteriorate. How wouldthis affect nervous system function?
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Chapter 48 Solutions
CAMPBELL BIOLOGY CUSTOM W/MASTERING
Ch. 48.1 - Prob. 1CCCh. 48.1 - Describe the basic pathway of information flow...Ch. 48.1 - WHAT IF? How might increased branching of an axon...Ch. 48.2 - Under what circumstances could ions flow through...Ch. 48.2 - WHAT IF? Suppose a cell's membrane potential...Ch. 48.2 - MAKE CONNECTiONS Review Figure 7.10, which...Ch. 48.3 - How do action potentials and graded potentials...Ch. 48.3 - In multiple sclerosis (from the Greek skleros,...Ch. 48.3 - How do both negative and positive feedback...Ch. 48.3 - WHAT IF? Suppose a mutation caused gated sodium...
Ch. 48.4 - Prob. 1CCCh. 48.4 - Some pesticides inhibit acetylcholinesterase, the...Ch. 48.4 - Prob. 3CCCh. 48 - How would severing an axon affect the flow of...Ch. 48 - Suppose you placed an isolated neuron in a...Ch. 48 - Prob. 48.3CRCh. 48 - Prob. 48.4CRCh. 48 - Level 1: Knowledge/Comprehension 1. What happens...Ch. 48 - Level 1: Knowledge/Comprehension 1. What happens...Ch. 48 - Where are neurotransmitter receptors located? (A)...Ch. 48 - Why are action potentials usually conducted in one...Ch. 48 - Which of the following is the most direct result...Ch. 48 - Suppose a particular neurotransmitter causes an...Ch. 48 - WHAT IF? Ouabain, a plant substance used in some...Ch. 48 - Prob. 8TYUCh. 48 - DRAW IT Suppose a researcher inserts a pair of...Ch. 48 - EVOLUTION CONNECTION An action potential is an...Ch. 48 - Prob. 11TYUCh. 48 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 48 - Prob. 13TYU
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- Neurons contain ________, which can receive signals from other neurons. a. axons b. mitochondria c. dendrites d. Golgibodiesarrow_forwardWhen action potentials arrive at a synapse between a neuron and another cell, they stimulate the release of molecules of a ________ that diffuse over to that cell.arrow_forwardmultiple sclerosis is a demyelinating disease in which the patient's immune system attacks and destroys the cells that form the myelin sheath in the central nervous system. what types of symptoms would you expect from such a disease? why? would Schwann cells or oligodendrocytes be affected? explainarrow_forward
- Unmyelinated axons conduct action potentials without decrement, but when myelinated axons lose myelin in demyelinating diseases such as multiple sclerosis, conduction of action potentials is blocked. Why?arrow_forwardWhich bulb shaped structures found at the end of neurons form connections with the dendrites and somas of other neurons and allow information to pass from one neuron to another? A. Myelin sheaths B. Ion channels C. Axon terminals D. Dendrite arcsarrow_forwardIn the CNS, myelin is produced by glial cells called ___________ .arrow_forward
- When an inhibitory neurotransmitter such as GABA opens cl– channels in the plasma membrane of a postsynaptic neuron, why does this make it harder for an excitatory neurotransmitter to excite the neuron?arrow_forward___________ are called “downers” because they depressthe central nervous system.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_forward
- he 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_forwardWhy is Myelin made up of Lipids and protein macromolecules?arrow_forwardIn the central nervous system, cells called _____ perform one of the same functions that Schwann cells do in the peripheral nervous systemarrow_forward
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