Membranes – much more than a sheet covering the cell. If you can understand the relevance of the fluidity of the membrane, the various roles the plasma membrane plays and the structures which allow it to do so, you’re well on the way to making the connections needed across the curriculum. And then there’s membrane transport…
Click on the shadowed images in the presentation to be taken to (many) animations and videos:
Essential Biology 2.4: Membranes
For lots more animations on cell strucure and function and cell transport, visit North Harris College.
Carbohydrates, Lipids and Proteins
Here’s the class presentation – click the shadowed images for animations.
For more information on condensation and hydrolysis reactions:
Simple explanation by Terry Brown
Collection of examples from North Harris College
Explanation and animation from National Louis University
Life Cycle of a Protein from Sumanas
Making polypeptides from John Kyrk
Structures of Fats from HHMI
Lipids (and condensation animation) from National Louis University