Osmosis and Diffusion Flashcards

Osmosis is the movement of water across a semi-permeable membrane from an area of higher concentration to an area of lower concentration.

A semi-permeable membrane is a membrane that allows some molecules to pass through but not others.

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

<p>The difference is that osmosis involves the movement of liquids such as water, while diffusion can involve gases and solids.</p> Signup and view all the answers

<p>Passive transport is the movement of molecules across a cell membrane without the use of energy by the cell.</p> Signup and view all the answers

<p>Active transport is the movement of molecules through a cell membrane using energy.</p> Signup and view all the answers

<p>A concentration gradient is the difference in the concentration of a substance from one location to another.</p> Signup and view all the answers

<p>A solute is a substance that is dissolved in a solution.</p> Signup and view all the answers

<p>A hypertonic solution is one having a higher concentration of solute than another solution.</p> Signup and view all the answers

<p>A solution is a mixture that forms when one substance dissolves another.</p> Signup and view all the answers

<p>Isotonic refers to when the concentration of two solutions is the same.</p> Signup and view all the answers

<p>A hypotonic solution has a lesser concentration of solutes compared to another solution.</p> Signup and view all the answers