. The following labels are included: phospholipid bilayer, phospholipid molecule, glycoprotein, glycolipid, integral and peripheral proteins and cholesterol. Section questions According to the fluid mosaic model of cell membranes, which type of molecule spans the membrane, from its inner to outer surface? #1 A single phospholipid #2 Integral protein #3 Peripheral protein Cholesterol Report feedback or error Submit answer

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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no i don't feel that humans have oversubscribed some medications

the correct answer is d