If the allele for an attached earlobe (e) is recessive to the allele for an unattached earlobe (E), what will be the relative frequency of e in a population? It could only be more frequent than E. It could be more or less frequent than T. It could only be equally as frequent as T. It could only be less frequent than T.

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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