Essay
You are working with a squid giant axon with a resting potential of -70 mV. What would the voltage change look like if (a) the axon is bathed in tetrodotoxin and (b) the axon is bathed in TEA? In both cases supra - threshold current is applied to the axon, enough to cause an action potential in a sea water-only bath.
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(a) Since tetrodotoxin blocks Na+ channel...View Answer
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