University of Arizona
Ua: Large Molecules Problem Set
Understandable lessons about numerous aspects about the composition, function, and interactions of proteins. Each starts with an interactive quiz and links to a tutorial.
Chem4kids
Chem4 Kids: Browsing Biochemistry
Here you can learn about biochemistry, the chemistry of the living world. Content explores carbohydrates, lipids, amino acid structure and proteins, enzymes, nucleic acids, and metabolism.
National Institutes of Health
National Center for Biotechnology Information: Amino Acid Explorer
Anything you need to know about amino acids is likely to be available in this learning tool. You can explore the properties, chemical structures, and functions of all twenty amino acids, analyze mutations, and more.
CK-12 Foundation
Ck 12: Biology: Central Dogma of Molecular Biology
[Free Registration/Login may be required to access all resource tools.] Overview of the central dogma of molecular biology.