Biology, 29.01.2020 03:49 spinshot13
Etrodotoxin is a potent toxin found in a variety of organisms including the pufferfish. the toxin binds to the extracellular side of the na+ channel and prevents channel opening. this leads to paralysis of muscles, including the diaphragm. death from respiratory failure can occur after ingestion of as little as 1 mg of the toxin. why does this toxin cause paralysis?
choose one:
a. the membrane depolarization is not amplified along the axon.
b. the na+ channel does not open wide enough to allow enough na+ through the channel.
c. the na+ channels remain in the inactive, refractory state.
d. the axon membranes become over-depolarized.
Answers: 2
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Etrodotoxin is a potent toxin found in a variety of organisms including the pufferfish. the toxin bi...
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