Chapter 6: Membrane Structure and Transport
Animations
6.1: Tutorial: Active versus passive movement of molecules
This tutorial explains how cells use active and passive transport to move materials across the plasma membrane.
6.2: Activity: Water gain and loss in plant and animal cells
Manipulate the slider to see what happens to a cell as changes occur in the concentration of dissolved materials outside of the cell.
6.3: Activity: Animal cell junctions
Test your recall for figure 6.7 with this key figure labeling exercise.
6.4: Tutorial: Signaling molecules
This tutorial explores how specialized proteins, called enzymes, speed up chemical reactions.
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