In your letter, you need to explain how the theory of
evolution is supported by evidence. Be sure to
include the 4 pieces of evidence for evolution as
well as an example of each,

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: bc blah

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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