AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

Osmosis - AP Biology (Quiz #1) Flashcards

Terms : Hide Images
7368052939diffusionentering and leaving cells by a passive process (no energy) random movement of molecules but is directed from areas of high concentration towards regions of lower concentration in order to reach an equilibrium.0
7368063874simple passive diffusionwhen small molecules pass through the lipid bilayer of a cell membrane1
7368068772selectively permeablethe fact that the membrane has tiny pores or holes allowing certain substances to move across it2
7368077952osmosisthe diffusion of water molecules across a membrane (typically a cell membrane)3
7368091697tonicitythe relationship between the concentrations of solutes on either side of the membrane which determines the direction and extent of diffusion based on concentration being either greater than, less than, equal to4
7368101402hypotoniclower concentration of solutes5
7368103796isotonicequal concentration of solutes normal6
7368114591hypertonicgreater concentration of solutes7
7368135796cytolysisrupturing of the cell because it's so swollen8
7368140256turgor pressureplant cells have a rigid cell wall so that if excess water is bathed among cells, the wall pushes back so that the cell doesn't inflate with water and burst9
7368155338plasmolyzeddeflated, and/or dried out10

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!