Stion 19 The internal pH of most cells is near neutral. This allows
yet
vered
Select one:
ts out of
O a. enzymes within the cells to act at peak efficiency
O b. makes water unstable and break down into H+ and OH-
lag
stion
O c. the buffers produced within the body to affect these cells
O d. enzymes outside of these cells to function
e. rapid fluctuations between acidic and basic conditions within the cells
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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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