When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated? a. it is used to power yet more cellular work. b. it is used to store energy as more atp. c. it is used to generate adp from nucleotide precursors. d. it is transported to specific organs such as the brain. e. it is lost to the environment?

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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