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Question
complete each statement explaining the different modes of passive membrane transport by selecting the correct word or phrase from each drop-down. 1. the movement of water from an area of (click to select) solute concentration to an area of (click to select) solute concentration describes osmosis. 2. because of the inability of rbcs membrane of the renal corpuscle (osmotic pressure) on the tub 3. movement away from high solver concentration describes (hydrophi 4. water diffusion through a (hydropl easier by membrane proteins cal (dropdown options: concentration gradient, filtration, high, hydrophilic, hydrophobic, low, osmosis, osmotic pressure)
Question 1
Osmosis is the movement of water across a semi - permeable membrane. Water moves from an area of low solute concentration (where water concentration is high) to an area of high solute concentration (where water concentration is low) to try to equalize the solute concentrations on both sides of the membrane. So the first blank should be "low" and the second blank should be "high".
Red blood cells (RBCs) and the renal corpuscle membrane are involved in processes related to osmotic pressure. Osmotic pressure is the pressure that needs to be applied to a solution to prevent the inward flow of water across a semi - permeable membrane. In the context of the renal corpuscle, the osmotic pressure on the tubule side is related to the movement of substances. Since the option "osmotic pressure" is already partially selected and fits the context of renal and RBC - related osmotic processes, this is the correct term.
Osmosis is the movement of water (solvent) across a membrane. If the movement is away from high solvent (water) concentration (which means towards high solute concentration), this is the process of osmosis. So the correct term to describe this movement is "osmosis".
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- The movement of water from an area of $\boldsymbol{\text{low}}$ solute concentration to an area of $\boldsymbol{\text{high}}$ solute concentration describes osmosis.