Facilitated diffusion

Assertion ($\mathrm{A}$): The flow of solvent molecules from a pure solvent to the solution through semipermeable membrane is osmosis.

Reason $\left(\mathrm{R}\right):$ Pure solvent molecules flow out of the solution through semipermeable membrane if a pressure larger than the osmotic pressure is applied to the solution side.

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Find correct statements from the following
$\mathrm{A})$ Protein transporters are responsible for maximum rates of transport under saturated state
$\mathrm{B})$ Translocation of substances in bulk flow requires hydrostatic pressure gradient
$\mathrm{C})$ Root pressure plays the greatest contribution for upward movement of water in tall plants
$\mathrm{D})$ Transport proteins of endodermal cells are control points for active transport of ions in two directions

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