Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 48, Problem 7IQ
Summary Introduction
To describe: The reasons due to which acetylcholine has opposite effects for skeletal muscle contraction and cardiac muscle contraction.
Introduction: Acetylcholine is a common neurotransmitter in invertebrates as well as vertebrates. It is released by the motor neurons of the nervous system at the neuromuscular junction. A junction between a neural cell and a muscle cell that is stimulated due to the release of acetylcholine is termed as a neuromuscular junction.
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Chapter 48 Solutions
Biology - Study Guide
Ch. 48 - Prob. 1IQCh. 48 - a. What is the principal cation inside the cell?...Ch. 48 - The following diagram shows the changes in...Ch. 48 - Prob. 4IQCh. 48 - Prob. 5IQCh. 48 - Prob. 6IQCh. 48 - Prob. 7IQCh. 48 - Develop a flowchart or diagram or write a...Ch. 48 - Prob. 1TYKCh. 48 - Prob. 2TYK
Ch. 48 - During a neurons resting state a. there are more...Ch. 48 - Which of the following contribute(s) to the...Ch. 48 - Prob. 5TYKCh. 48 - Prob. 6TYKCh. 48 - Prob. 7TYKCh. 48 - After the rapid depolarization of an action...Ch. 48 - Nodes of Ranvier are a. gaps where Schwann cells...Ch. 48 - Prob. 10TYKCh. 48 - Signal transmission is faster in myelinated axons...Ch. 48 - Which of the following statements concerning...Ch. 48 - Prob. 13TYKCh. 48 - Prob. 14TYKCh. 48 - Prob. 15TYKCh. 48 - Prob. 16TYKCh. 48 - Prob. 17TYKCh. 48 - If the binding of a neurotransmitter to its...
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- ___________ crosses the synapse between a motor neuron and a muscle fiber and is responsibile for stimulating muscle contraction.arrow_forwardExplain in detail why the neurotransmitter acetylcholine has different effects in skeletal vs. cardiac muscle cells.arrow_forwardCompare and contrast acetylcholine and norepinephrinearrow_forward
- WHich are the properties of cardiac musclearrow_forwardDescribe the events by which depolarization of a smooth muscle cell results in contraction and explain why smooth muscle contractions are slow and sustained.arrow_forwardOne tretment for myasthenia gravis is a medication that blocks the activity of acetylcholinesterase. Why is this a successful treatment?arrow_forward
- Effect of acetylcholine on heart rate and contractilityarrow_forwardATPase is an enzyme that can hydrolyse ATP and release the potential energy stored in the phosphate bond. How would a metabolic inhibitor that blocks ATPase function affect the resting potential of nerve cells?arrow_forwardDefine acetylcholinearrow_forward
- Construct a mechanism where sarin inhibits acetylcholinerase.arrow_forwardDrug causing stimulation of a receptor for acetylcholinearrow_forwardAction potentials in heart muscle cells have a prolonged plateau phase caused by ______through voltage-gated channels. A potassium entering B sodium leaving C sodium entering D calcium entering E calcium leavingarrow_forward
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