Materials like water, ions, and molecules, move in and out of cells by either active or passive transport.

AS Biology cell membranes
AS Biology cell membranes Worldofteaching.com Has graphics, key words you should know, and numerous illustrations. Presented in PowerPoint format.
Cell Biology: Transport
Cell Biology: Transport, Biology of Cells, Blogspot, All-text article with links to other articles.
Cell Function: Active Transport
Cell Function: Active Transport, Biology4kids.com, Introduction to active transport.
Cell Function: Passive Transport
Cell Function: Passive Transport, Biology4kids.com, Introduction to passive transport.
Cell Transport
Cell Transport, By Kevin C. Hartzog, SAS' Cell Biology Page, A high school teacher's supplemental material for his class.
Cell Transport
Cell Transport By R Foster-Faith Slide presentation on movement through a membrane (cell transport).
Cell Transport
Cell Transport, By Mrs. Jessica Lupold, The Biology Binder, All-text notes on passive vs. active transport, three different ways to enter or leave a cell, and the movement of water through osmosi
Cell Transport
Cell Transport Brightstorm Science Videos Video length: 06:43.
Cell Transport Notes 2006
Cell Transport Notes 2006, World of Teaching, Powerpoint presentation that starts with cell membranes and their structure and moves on to the types of active and passive transport.
Cell transport topics tips notes
Cell transport topics tips notes, By Mrs. Jessica Lupold, Compares passive vs. active transport, crossing the membrane, and movement of water.
Cellular Transport - Interactive Animation
Cellular Transport - Interactive Animation Interactive Concepts in Biochemistry Wiley.com Overview By navigating through this presentation, you will gain a better understanding of the differen
Glencoe Online Science Quiz: Cellular Transport
Cellular Transport Glencoe Online Multiple choice quiz; 5 questions.
How Cell Substances Transport through the Plasma Membrane
How Cell Substances Transport through the Plasma Membrane, Dummies.com, All-text web page on the major types of cellular transport.
Membrane Transport - Shockwave
Membrane Transport - Shockwave, Department of Biology, Northland College, Interactive animation on passive and active transport.
Membrane Transport Mechanisms
Membrane Transport Mechanisms, Science Gateway Organization, Brief descriptions of diffusion, facilitated diffusion, and active transport along with the function of membranes.
Methods of Cell Transport
Methods of Cell Transport, By Sylvia Cini, BrightHub.com, All-text review.
Movement Across Membranes
Movement Across Membranes, Biologymad.com, Text and great illustrations on diffusion, osmosis, active transport.
Passive Transport: Filtration and Facilitated Diffusion
Passive Transport: Filtration and Facilitated Diffusion, By Barbara Liang, Wisconsin-Online, "In this animated object, learners examine processes that do not use ATP directly including hydrostat
Transport Animations
Transport Animations Higher Ed, McGraw-Hill Publisher There are four narrated animations of material crossing a membrane; contransport, active transport, endocytosis & exocytosis.
Transport In and Out of Cells
Transport In and Out of Cells by M.J. Farabee, Professor Maricopa Community College An illustrated HTML on cell membrane lecture given for freshman biology course.
Transportation Within and Between Cells
Transportation Within and Between Cells Dummies.com Within and around cells, materials are constantly being shipped one way or another across membranes. At any given moment, a particular substan