Amino acids are the building blocks of proteins. This handout presents the chemical structures of the twenty amino acids, grouped by their distinctive chemical properties. Useful in biology, biochemistry, bioinformatics, genetics, health, microbiology, molecular biology, and wherever proteins are a topic.

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My teaching experience began when I found myself director of a biotechnology training program at Seattle Central Community College in the early 90's. Since there wasn't any curriculum available, I wrote all the biotechnology lab manuals and taught courses in genetics, immunology, media and solution preparation, biotech lab courses, and microbiology. Today, I have my own company, Digital World Biology. We produce free tutorials on using bioinformatics, offer professional development for teachers in bioinformatics, and develop instructional materials. I also teach an on-line course in bioinformatics for Austen Community College in Texas and another bioinformatics course at Shoreline Community College in Washington State. I write about science and teaching at ScienceBlogs. My blog is Discovering Biology in a Digital World.
