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 35.2, Problem 2BC
Summary Introduction
To describe:
The function of the myelin sheath.
Introduction:
Neurons are similar in several ways to other cells in the human body, but they differ from other cells. Neurons are specialized in the transmission of information across the body.
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Chapter 35 Solutions
Principles of Biology
Ch. 35.1 - Prob. 1CCCh. 35.1 - Prob. 1TYKCh. 35.1 - Prob. 2TYKCh. 35.2 - Prob. 1CCCh. 35.2 - Rigor mortis is the condition that occurs shortly...Ch. 35.2 - Prob. 1BCCh. 35.2 - Prob. 3CCCh. 35.2 - Prob. 2BCCh. 35.2 - Prob. 1TYKCh. 35.2 - Prob. 2TYK
Ch. 35.3 - Prob. 1TYKCh. 35.4 - Prob. 1TYKCh. 35.4 - Prob. 2TYKCh. 35 - Prob. 1TYCh. 35 - Which, if any, of the following is not a function...Ch. 35 - Prob. 3TYCh. 35 - Prob. 4TYCh. 35 - Prob. 5TYCh. 35 - During cross-bridge cycling, binds to _________,....Ch. 35 - Prob. 7TYCh. 35 - Prob. 8TYCh. 35 - Prob. 9TYCh. 35 - Prob. 10TYCh. 35 - Prob. 1CCQCh. 35 - Prob. 2CCQCh. 35 - Prob. 3CCQCh. 35 - Discuss the structure and function of the two...Ch. 35 - Prob. 2CBQ
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- Compare and contrast the neuroglial cells that form the myelin sheaths in both the CNS and the PNS?arrow_forwardUnmyelinated 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_forwardWhat is the function of myelin sheaths? Where are they found?arrow_forward
- What two types of macromolecules are the main components of myelin? a. carbohydrates and lipids b. proteins and nucleic acids c. lipids and proteins d. carbohydrates and nucleic acidsarrow_forwardRefer to the figure below to explain the mediation of action potentials by neurons using sodium and potassium channels at each of the six timepoints indicated.arrow_forwardFill in the blank: Myelin contains a high proportion of _______________________.arrow_forward
- Because the long axons of neurons look like electrical wires, and both neurons and electrical wires conduct electricity, it is tempting to equate the two. Compare and contrast the functioning of axons and electrical wires in terms of their structure and the nature of the electrical signals they conduct. Please include references.arrow_forwardIn the axon model given, if the thickness of the myelin sheath were increased, the propagation speed of nerve impulses wouldA. Increase. B. Decrease. C. Remain the same.arrow_forwardWhich cells myelinate the axons of central and peripheral nervous system neurons? Why is myelination important? Note several consequences if demyelination was to occur.arrow_forward
- Which type of neuron, based on its shape, is bestsuited for relaying information directly from one neuron toanother? Explain why.arrow_forwardExplain how myelin helps speed up the conduction speed of action potentials along theaxon of the neuron.arrow_forwardWhat is the functional advantage of myelination?arrow_forward
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