In the breakdown of taxa above there is something missing. There is a category above "kingdom" in the system above, a taxon called "domain." There are three domains. Find out what they are and report them here.

Hi,

The three important domains of Carl Woese classification system includes bacteria, eukaryote, Eubacteria, fungi, Plantar, Animalia, Archaebacteria etc.

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Hope it helps you...Answered by Benjemin

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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