Catalyst #16 Pg. 81- Take out Flashcards/ Lab Turn in HW to the box 1.Go to the class website Open...
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Transcript of Catalyst #16 Pg. 81- Take out Flashcards/ Lab Turn in HW to the box 1.Go to the class website Open...
![Page 1: Catalyst #16 Pg. 81- Take out Flashcards/ Lab Turn in HW to the box 1.Go to the class website Open and do the Catalyst: Anatomy: Lesson 83- Catalyst #16-3/27-3/28.](https://reader035.fdocuments.us/reader035/viewer/2022062401/5a4d1b4e7f8b9ab0599a6776/html5/thumbnails/1.jpg)
Catalyst #16 Pg. 81-Take out Flashcards/ LabTurn in HW to the box1. Go to the class websiteOpen and do the Catalyst:Anatomy: Lesson 83- Catalyst #16-3/27-3/28ANDANATOMY: LESSON 83- Synaptic Transmission PPT-3/27-3/28
Semester 2 Table of Contents24. Lesson 82- Action Potential Simulation Pg. 79-8025. Lesson 83- Synaptic Transmission Pg. 81-84Assigned Vocabulary- Due TODAY 27. Neuron28.Axon29.Dendrite30.Myelin sheath31.Nodes of Ranvier32.Axon terminal33.Axon hillock34.Soma35.Sensory neuron36.Motor neuron37.Interneuron38. Action Potential39. Resting Potential40. Threshold41. All or None Law
Assigned Vocabulary- Due Next Th/Fri42. Synapse43. Synaptic cleft44. Pre synaptic neuron45. Post synaptic neuron46. Synaptic Vesicle
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neuronsynapse
presynaptic neuronpostsynaptic neuron
synaptic cleftneurotransmitter
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Your explanation here
2
Axon terminal
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Announcements
• No school on Monday/Tuesday• Flashcards Due: Next Th/Fri• Dissection: 4/6-4/7• Nervous System Unit Test: 4/10-4/11• Notebook Check: 4/10-4/11• 3 grades will be input before we go onto spring
break!
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Critical Vocabulary- Top of Pg. 82
Please write down vocabulary and draw a picture to remind you of what the word means.
Synapse = Place where the 2 neurons meet. It includes the receptors of the 2 neurons along with the synaptic cleft.
Synaptic Cleft = The space in between the axon terminal and the dendrite of two neurons.
Synaptic vesicle = Packaged ball of neurotransmitters.
Calcium Channel = Protein channels in the membrane that allow Calcium to come into the axon terminal.
Pre-Synaptic Neuron = The neuron who transmits the signal to another neuron (axon terminal of the first neuron).
Post-synaptic Neuron = The neuron that receives the signal (the dendrite of the next neuron).
Neurotransmitter = the chemical that is released between two neurons to transmit the signal.
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Explain how a neural signal is communicated across a synapse.
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How do you communicate to your friend in Texas, without any technology?
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vocabulary preview
SYNAPSE
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cleft
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vocabulary preview
synaptic CLEFT
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vocabulary preview
PRE SYNAPTICbefore the synapse
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vocabulary preview
POST SYNAPTIC
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vocabulary preview
POST SYNAPTICafter the synapse
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vocabulary preview
neuro transmitterbrain messenger
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vocabulary preview
SYNAPSEPRESYNAPTIC
POSTSYNAPTICNEUROTRANSMITTER
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A. IBE Directions- Do under your catalyst
Directions
• Part 1: Arrange the pictures in order the order of the pictures on your sheet. Then, arrange the written descriptions in order. Try to match the description with its picture.
• Part 2. Label the following parts of the picture below: presynaptic neuron, postsynaptic neuron, neurotransmitter, postsynaptic receptor, neurotransmitter transporter, synaptic vesicle
Draw and label this whole pic!
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Investigate on Your Own- Pg. 84
• Fill in the blanks on the same page you did your catalyst
• Anatomy: Lesson 83- Synaptic Transmission Online Investigation-3/27-3/28
• http://learn.genetics.utah.edu/content/addiction/crossingdivide/
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Get Ready for Notes Pg. 82-83Title: Synaptic Transmission
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Step 1
INITIATION: The electric signal reaches the axon terminal of the presynaptic neuron.
Initiation Release Binding Effect Removal
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Step 2RELEASE: The electric signal causes the synaptic vesicle to fuse with the membrane, releasing neurotransmitters into the synaptic cleft
Initiation Release Binding Effect Removal
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Step 3
BINDING: Neurotransmitters bind to the receptors on the postsynaptic neuron.
Initiation Release Binding Effect Removal
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Step 4EFFECT: Binding of neurotransmitters to the postsynaptic neuron causes a change in the postsynaptic neuron. For example, it may cause the signal to continue to the next neuron or to stop.
Initiation Release Binding Effect Removal
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Step 5REMOVAL: The neurotransmitters are either recycled, removed, or deactivated from the synaptic cleft.
Initiation Release Binding Effect Removal
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Part 3- Label your neuron
Presynaptic neuron (axon terminal)
Postsynaptic neuron (dendrite)
synapticvesicle
neurotransmitter
Postsynaptic receptor
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Synaptic Transmission
Initiation Release Binding Effect Removal
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Let’s Check It Out• https://www.youtube.com/watch?v=Tbq-KZaXiL4
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WHOLE CLASS PRACTICE
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#1
#2
presynaptic neuron
#3
vesicle
postsynaptic neuron
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#6
neurotransmitter
#4synaptic cleft
#5
vesicle
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#8
postsynaptic neuron
#7Postsynaptic receptor
#9neurotransmitter
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Pg. 84Anatomy: Lesson 83- Synaptic Transmission Worksheet-3/27-3/28
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Exit Ticket- Separate Sheet of Paper-turn into box when done