Bacteria of the genus mycobacterium are difficult to stain because of the waxy material associated with their unique cell walls. which of the following stains is used to stain mycobacterium? a. gram stain
b. acid-fast stain
c. counterstain
d. endospore stain
e. simple stain

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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explanation: