a resting neuron is an unstimulated neuron that is not presently generating an action potential. the resting membrane potential is the separation of the relative positive and negative charges across the membrane of a cell at rest.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

you can have just about every answer you can think of