Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 48.4, Problem 3CC
Summary Introduction
To explain: The membrane activities that occur during egg fertilization and neurotransmission across a synapse.
Concept introduction:
Fertilization of an egg and neurotransmission across a synapse causes many membrane activities mainly depolarization.
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Q:Let w= 4,p= 2 and b =-2 with f radial basis, what is the single neuron output?
f=e(-n²) =e-(4*2+(-2))²=e-(6)²= 2.31952E-16
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Ne ansmitter
I. Sequencing
Arrange the events that occur during synaptic transmission. Use letters A-F to denote the
correct sequence. Use the diagram on the right as a clue.
SENDING
NEURON
Example:
vessces
Synepte
B1. lon channel opens
SYNGPSE
1. lon channel opens
2. Neurotransmitter is released into synaptic
SYNAPTac
CLEFT
cleft
RECEMNG
NEURCN4
3. Vesicle fuses with plasma membrane
Jon chen nels
Neurotren s mitter
F eptor
Neurotrensmitter broken
down znd setacsed
4. Neurotransmitter binds to receptor
Bons
5. Action potential arrives
burnu
6. lon channel closes
Chapter 48 Solutions
Campbell Biology (11th Edition)
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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- Consider the circuit from Q5 (above). We want to add another inhibitory neuron to this circuit to increase the likelihood that neuron D will have an action potential. With which cell (A, B, C or D) should our new inhibitory neuron make a synapse to make it more likely that the post - synaptic neuron will have anaction potential?The diagram below shows a simple neural circuit with three pre - synaptic cells labelled 'A', 'B' and 'C', and a post - synaptic cell labelled 'D ' (see image below). Assume neurons A and B each have outputs of +2 and neuron C has output of -1.arrow_forwardExplain in few sentences !! how a neuron can repair itself. What increases the likelihood of repair; what decreases the likelihood of repair? If repair is not possible, what other options are possible to innervate the effector organ?arrow_forwardOcular dominance columns result from competition between LGN neurons of the opposite eyes for Stellate cells . (a) What is the key "ingredient" that enables a neuron to successfully compete for Stellate cells? (b) How is this ingredient demonstrated by Hubel and Wiesel using cats? (c) How is this ingredient demonstrated in more recent experiments using a toxin?arrow_forward
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