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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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/HYLyhXRp298
Give a detailed, step-by-step description of the stages of an action potential, including a description of and explanation for the refractory periods and the rising and falling phases as well as return to rest. In your explanation, make sure to include 1) summation principles, 2) key membrane potentials (values), 3) location of voltage changes along the membrane, 4) states of the various voltage-gated channels. The more detail, the better. There are 5 main steps.
Explain IN DETAIL the processes of synaptic transmission and summation, including the roles of calcium ions, neurotransmitters, degradation enzymes, graded potentials, EPSPs and IPSPs, and various types of cellular connections (axoaxonal, axodendritic, axosomatic, etc.) Include a description of how temporal and spatial summation affect the outcome of the summation process
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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- illustrate with full creative freedom a cartoon of " the process of passing on action potentials at a chemical synapse and the difference between excitatory and inhibatory synapses in that action"arrow_forwardsummarize the sequence of events that occurs when a synapse is activated, from the arrival of an action potential at the axon terminal amd release of neurotransmitter to what occurs at the post-synaptoc membrane.arrow_forwardCompare (consider both similarities and differences), contrast, and give the physiological significance of the following pairs of terms: electrical and chemical synapses absolute refractory period vs. relative refractory periodarrow_forward
- Describe 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_forwardDescribe action potentials (nerve impulses) including: Thresholds All-or-none principle Phases of action potential generation Refractory periodarrow_forwardState the all-or-none law of the action potential.arrow_forward
- From an action potential traveling towards the presynaptic terminal to the potential change in the post synaptic cell, write out each step of ionotropic synaptic transmission. pick a specific neurotransmitter and characterize the appropriate postsynaptic outcome.arrow_forwardDiscuss the production of an action potential, includingdepolarization and repolarizationarrow_forwardDiscuss the role of Na* and K* channels in generating an action potential.arrow_forward
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