Which of the following statements is true of osmosis? (Hint: remember my slug example in the Zoom class!) a. Water moves from an area of high concentration of water molecules across a semi-permeable membrane to an area of lower concentration of water molecules. b. Water moves from an area of lower concentration of water molecules across a semi-permeable membrane to an area of high concentration of water molecules. c. Water moves from higher concentration of salt molecules across a semi-permeable membrane to lower concentration of salt molecules. d. Both b and c e. Both a and c

a. Water moves from an area of high concentration of water molecules across a semi-permeable membrane to an area of lower concentration of water molecules.

Explanation:

Osmosis is a physical phenomenon in which solvent molecules move through a semi-permeable membrane from a region with low solute molecules concentration to a region with high solute molecules concentration. Or in order word, osmosis is the flow of solvent molecules (example is water) through a semi permeable membrane, from a region of higher concentration, to a region of lower concentration of water molecules. Example of osmosis is the biological flow of water molecules into or out of the body cells through the cell walls, in response to the difference in the concentration of salts and minerals within and outside the cell wall.

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