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Professor Dave Explains
Eukaryotic Cells Part 2: Plant Cells
It's not just animals that are made of cells, it's plants too! Plant cells are very similar to animal cells, but they have some stuff that animal cells don't, like chloroplasts, that allow for photosynthesis. Let's take a tour through a...
Massachusetts Institute of Technology
Mit: Blossoms: The Construction of Proteins
Students investigate the relationship between proteins and amino acids digested in the small intestine while examining overall cell structure and function.
Bozeman Science
Bozeman Science: Signal Transmission and Gene Expression
Paul Andersen explains how signal transmission is used to alter both cellular function and gene expression. He uses the example of epinephrine release in humans and how it is used in the fight or flight response.