Which qualities should an experiment have to be replicable and valid? Check all that apply.

Clearly detailed results and one tested variable are the main qualities.

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

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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