D A B C 20. Membrane Potential (mV) A B Time с This graph (above) shows the depolarization and repolarization of one point of an axon. Fill in this table (below) describing the Na+ channel shape (use a word) and the state of the neuron at each point on the graph above. Point on Graph Shape of Na+ Channel? D PRA oper. close Desactivated. Is Neuron Polarized or Depolarized? repolarization re polarization. Depolarization DeporizatioN.

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.