Name one organelle you would expect to find in plant cells but not in animal cells

A Cell Wall would be found in a plant but not an animal.

One organelle a plant cell has that isn't in an animal cell would be chloroplasts.

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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the answer would be   10%