The diagram below shows some of the events that occur at a synapse after the arrival of an impulse at the pre synaptic membrane. Vesicle fuses to membrane Transmitter Vesicle releases transmitter molecules molecule Presynaptic membrane Movement of ions through membrane Synaptic cleft Postsynaptic membrane Transmitter molecule Postsynaptic membrane attaches to receptor site depolarizes Movement of ions Receptor site through membrane a) i) List the events 1-6 in the correct sequence of events.
The diagram below shows some of the events that occur at a synapse after the arrival of an impulse at the pre synaptic membrane. Vesicle fuses to membrane Transmitter Vesicle releases transmitter molecules molecule Presynaptic membrane Movement of ions through membrane Synaptic cleft Postsynaptic membrane Transmitter molecule Postsynaptic membrane attaches to receptor site depolarizes Movement of ions Receptor site through membrane a) i) List the events 1-6 in the correct sequence of events.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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can you help me with these questions please, im studying for an exam.
Transcribed Image Text:The diagram below shows some of the events that occur at a synapse after the arrival of an
impulse at the pre synaptic membrane.
Vesicle fuses
to membrane
Transmitter
Vesicle releases
molecule
transmitter molecules
Movement of
Presynaptic
ions through
membrane
membrane
Synaptic
cleft
Postsynaptic
membrane
Transmitter molecule
Postsynaptic
membrane
attaches to receptor site
depolarizes
Movement of ions
Receptor
site
through membrane
a) i) List the events 1-6 in the correct sequence of events.
Transcribed Image Text:B
Postsynaptic
membrane
Postsynaptic
Transmitter molecule
membrane
attaches to receptor site
depolarizes
Movement of ions
Receptor
site
through membrane
a) i) List the events 1-6 in the correct sequence of events.
i) Name the ions labelled A and B. "
iii) By what process do transmitter molecules move across the synaptic cleft?
iv) Name one transmitter molecule released by synaptic vesicles in the brain.
b) One impulse arriving at the presynaptic membrane does not produce an action potential in the
postsynaptic membrane, but several impulses arriving in succession do.
i) Explain this observation
ii) What name is given to the process described?
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