BIOLOGY (LL)
5th Edition
ISBN: 9781264115495
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 42, Problem 1COQ
Describe the difference between an electrical synapse and a chemical synapse. What advantage is provided by chemical synapses?
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What 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.
Which of the following statements does not accurately describe a synapses?
A) Both chemical and electrical synapses relay information through similar mechanisms.
B) Both chemical and electrical synapses relay information from neurons to target cells.
C) Electrical synapses have no gaps between the neuron and target cell.
D) Chemical synapses have a gap between the neuron and target cell.
What is meant by a chemical synapse?
Chapter 42 Solutions
BIOLOGY (LL)
Ch. 42.1 - Prob. 1CCCh. 42.2 - Prob. 1CSCh. 42.3 - Prob. 1CSCh. 42.3 - Prob. 2CSCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.4 - What key prior observation led Loewi to develop...Ch. 42.4 - CoreSKILL The results of Loewis experiment...Ch. 42.4 - Prob. 3EQCh. 42 - Prob. 1TY
Ch. 42 - Prob. 2TYCh. 42 - The myelin sheath a. is produced by neurons in the...Ch. 42 - Prob. 4TYCh. 42 - Prob. 5TYCh. 42 - Which of the following contribute(s) to the...Ch. 42 - Prob. 7TYCh. 42 - Prob. 8TYCh. 42 - Prob. 9TYCh. 42 - Prob. 10TYCh. 42 - Prob. 1CQCh. 42 - Prob. 2CQCh. 42 - Prob. 3CQCh. 42 - Describe the difference between an electrical...Ch. 42 - Prob. 2COQ
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- What is long-term potentiation (LTP) and how does it occur? What changes in the cell should we expect to observe when a synapse is in a "potentiated" state?arrow_forwardDescribe the difference between an electrical synapse and a chemicalsynapse. What advantage is provided by chemical synapses?arrow_forwardList the two types of synapses?arrow_forward
- Which statement is TRUE about the synapse? Neurotransmitters shuttle the signal back and forth between the pre- and post-synaptic cell. The pre-synaptic cell and post-synaptic cell are in direct contact, allowing the electrical signal to seamlessly flow from one to the other. The action potential jumps from the pre-synaptic cell into the post-synaptic cell. The action potential ends in the pre-synaptic cell and neurotransmitters carry the signal across the synaptic cleft to the post-synaptic cell.arrow_forwardList the advantages and disadvantages of electrical synapses?arrow_forwardEvents at a chemical synapse usually involve opening both voltage-gated ion channels and chemically gated ion channels. Where are these ion channels located and what causes each to open?arrow_forward
- Which of the following statements concerning synapses is FALSE? O A) Modulation of synaptic strength can be presynaptic of postsynaptic B) High frequency stimulation in the presynaptic neuron often leads to DECREASED neurotransmitter release O C) Modulation of synaptic strength can either be short term, lasting seconds, or long term, lasting as long as a lifetime. D) Agonists are drugs that mimic neurotransmitters and antagonists are drugs that block the action of neurotransmitters O E) Certain drugs prevent the reuptake of neurotransmitter from the synapsearrow_forwardDefine synapses.arrow_forwardWhat is synapse?arrow_forward
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