Explain the difference between slow and fast chemical transmission. Fig. 8.23 FIG. 8.23 ESSENTIALS Fast and slow postsynaptic responsesPresynaptic axonterminalFast responses are mediatedby ion channels.Slow responses are mediated byG protein-coupled receptors.Neurotransmitters createNeuromodulators createrapid, short-actingfast synaptic potentials.slow synaptic potentialsand long-term effects.NeurocrineChemicallygated ion channelG protein-coupledreceptorRInactivePostsynapticcellpathwayAlters openstate ofion channelsActivated secondmessenger pathwayModifies existingproteins or regulatessynthesis of newproteinslon channels openlon channels closeMore K*MoreNat inLessNa* inLess K+outout orCIF inIPSP =CoordinatedintracellularEPSP =excitatorydepolarizationinhibitoryhyperpolarizationEPSP =excitatorydepolarizationresponse

The figure is showing two types of postsynaptic transmission . The type of postsynaptic transmission…

Answered: Explain the difference between slow and…

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Explain the difference between slow and fast chemical transmission. Fig. 8.23

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Question

Explain the difference between slow and fast chemical transmission. Fig. 8.23

FIG. 8.23 ESSENTIALS Fast and slow postsynaptic responses
Presynaptic axon
terminal
Fast responses are mediated
by ion channels.
Slow responses are mediated by
G protein-coupled receptors.
Neurotransmitters create
Neuromodulators create
rapid, short-acting
fast synaptic potentials.
slow synaptic potentials
and long-term effects.
Neurocrine
Chemically
gated ion channel
G protein-coupled
receptor
R
Inactive
Postsynaptic
cell
pathway
Alters open
state of
ion channels
Activated second
messenger pathway
Modifies existing
proteins or regulates
synthesis of new
proteins
lon channels open
lon channels close
More K*
More
Nat in
Less
Na* in
Less K+
out
out or
CIF in
IPSP =
Coordinated
intracellular
EPSP =
excitatory
depolarization
inhibitory
hyperpolarization
EPSP =
excitatory
depolarization
response

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