Question

7. Define the terms— a. Semi-permeable membrane b. Hypertonic solution c. Osmosis d. Macro nutrients

NEET/Medical Exams

Biology

Solution

130

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semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion-or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport. hypotonic solution is any solution that has a lower osmotic pressure than another solution. In the biological fields, this generally refers to a solution that has less solute and more water than another solution. Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides. macronutrients a type of food (e.g. fat, protein, carbohydrate) required in large amounts in the diet.