Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 48, Problem 1SYK
Develop a flowchart or diagram or write a description of the sequence of events in the (1) creation and propagation of an action potential and (2) in the transmission of this action potential across a chemical synapse.
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State the all-or-none law of the action potential.
Describe the microstructure of a chemical synapse. Summarize what happens when an action potential arrives at a synapse.
explain as precisely as you can but in no more than 100 words the ionic basis of an action potential and how it is passed along an axon.
Chapter 48 Solutions
Study Guide for Campbell Biology
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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- Draw and label an action potential, indicating the ion movements responsible for the rising phase and the falling phase.arrow_forwardA neuron responds to adequate stimulation with _______, a type of self-propagating signal.arrow_forwardMatch the stages of action potential with the appropriate image or description. 1. Resting membrane potential 2. Threshold 3. Depolarization 4. Repolarization 5. Hyperpolarization 6. Refractory period The potential difference that must be met in order for an action potential to be generated When the potential drops below resting level When the potential starts to decrease again after it has reached a maximum Occurs at -77 mV When the membrane is resetting and an action potential cannot yet be produced again When the sodium channels are open Occurs at -55 mVarrow_forward
- Discuss the activity, structures and chemicals of both the neural axon and receptor. And a discussion about the synapse should begin with a definition and a comparison of the two categories.arrow_forwardDescribe the four stages of an action potential in what is happening in each stagearrow_forwardDescribe how different post-synaptic potentials can be summated on a single neuron to determine if that neuron does or does not fire an action potentialarrow_forward
- State whether the channels listed would be open or closed at the corresponding numbered phases of the action potential graph. Phase on Graph Sodium Voltage Gated channels Potassium Voltage Gated channels 1 2 3 4arrow_forwardList the synapses in which ACh is the neurotransmitter.arrow_forwardIn the resting state, before or long after an action potential occurs, the activation gates of voltage regulated sodium channels are _____, the inactivation gates of the voltage regulated sodium channels are _____, and the voltage regulated potassium channels are _____arrow_forward
- Summarize the steps in generating an action potential as a flowchart. You can make your flowchart on paper and take a picture of it, or make it electronically. Be sure you’ve included: the location in the neuron and components of the neuron involved, the types of cellular transport and ions involved, how action potentials can be stimulated and inhibited. you can get the information from this: https://youtu.be/HYLyhXRp298arrow_forwardCompare and contrast graded potentials and action potentials. What are the functions of graded potentials if they do not result in an action potential? comments : please give me the best answer to increased my knowledge so i will have a better understanding of the question askedarrow_forwardDescribe the resting potential for neurons. How is this potential established? Describe the development of the action potential. How does this come about, and what is the function of this phenomenon? Include a diagram of the various stages of the action potential, showing the changes in voltage that occur throughout this phenomenonarrow_forward
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