EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
3rd Edition
ISBN: 9780137453092
Author: Urry
Publisher: SAVVAS L
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Chapter 37.4, Problem 1CC
Summary Introduction
To determine:
How is it possible for a particular neurotransmitter to produce opposite effects in different tissues.
Introduction:
A neurotransmitter is a chemical compound that acts as a messenger to communicate across synaptic regions in the various neurons. For example:dopamine, GABA, acetylcholine and others.
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Why is a single autonomic neurotransmitter able to have opposite effects on different target cells?
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Chapter 37 Solutions
EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
Ch. 37.1 - Prob. 1CCCh. 37.1 - Describe the basic pathway of information flow...Ch. 37.1 - WHAT IF? How might increased branching of an axon...Ch. 37.2 - Under what circumstances could ions flow through...Ch. 37.2 - WHAT IF? Suppose a cells membrane potential shifts...Ch. 37.2 - Prob. 3CCCh. 37.3 - How do action potentials and graded potentials...Ch. 37.3 - In multiple sclerosis (from the Greek skleros,...Ch. 37.3 - Prob. 3CCCh. 37.3 - WHAT IF? Suppose a mutation caused gated sodium...
Ch. 37.4 - Prob. 1CCCh. 37.4 - Organophosphate pesticides work by inhibiting...Ch. 37.4 - MAKE CONNECTIONS Name one or more membrane...Ch. 37 - What happens when a resting neuron's membrane...Ch. 37 - Prob. 2TYUCh. 37 - Prob. 3TYUCh. 37 - Why are action potentials usually conducted in one...Ch. 37 - Which of the following is a direct result of...Ch. 37 - Suppose a particular neurotransmitter causes an...Ch. 37 - Prob. 7TYUCh. 37 - Prob. 8TYUCh. 37 - DRAW IT Suppose a researcher inserts a pair of...Ch. 37 - Prob. 10TYUCh. 37 - FOCUS ON EVOLUTION An action potential is an...Ch. 37 - Prob. 12TYUCh. 37 - SYNTHESIZE YOUR KNOWLEDGE The rattlesnake alerts...
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- What is the function of a neurotransmitter?arrow_forwardWhat are the criteria for identification of the neurotransmitter at a particular synapse? Which two criteria are sufficient to conclude that a candidate substance is a neurotransmitter?arrow_forwardWhat are neurotransmitters ? Why are they used ?arrow_forward
- What are the two major classes of neurotransmitter in reference to their effects on postsynaptic cells? How do their modes of action differ? Give an example of each type of neurotransmitter.arrow_forwardWhat is a post-synaptic potential and how is it caused? Describe the two types of post-synaptic potentials that can occur. Within this context, what does excitatory and inhibitory mean?arrow_forwardWhich 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_forward
- Why are there multiple receptor subtypes for eachneurotransmitter? Why not a few receptors and lots ofneurotransmitters acting on each receptor?arrow_forwardWhat are neurotransmitters, types and their specific functions?arrow_forwardWhich of the following is the role of axonal Calcium (Ca2+) channels in neuronal communication at the synapse? a) they inhibit the action potential causing it to stop b) Calcium channels have no role in this process c) by allowing calcium to exit the cell, they promote the propagation of action potential across the synapse by creating depolarization d) by blocking calcium entrance, they mediate the contraction of presynaptic axon to facilitate movement e) when they open, calcium enters the presynaptic terminal, promoting fusion of neurotransmitter vesicles with presynaptic membrane, and release of neurotransmitters to the synaptic cleftarrow_forward
- Define the term neurotransmitters?arrow_forwardHow do neurotransmitters directly affect the postsynaptic neuron? A)They cause a change in the electrical potential, exciting the neuron and causing it to fire b)They cause a change in the electrical potential, either exciting or inhibiting the next neuron. C)They cause a change in the electrical potential, inhibiting the neuron and stopping it from fi d)They connect with the appropriate receptor on the postsynaptic neuronarrow_forwardWhy does a given type of neurotransmitter affect onlycertain types of cells? How can a neurotransmitterstimulate one type of cell but inhibit another type?arrow_forward
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