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Chemistry of Life
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WebElements Periodic Table
WebElements has created a periodic table that provides a wealth of information concerning any highlighted element.
 WebElements Periodic Table
pH, the Power of Hydrogen
Using Shockwave, John Kyrk has devised a mathematical visual of the pH scale that reinforces the negative log concept.
pH, the Power of Hydrogen
Water
Practical Water Chemistry
This site explains buffering, hardness, and softness.
Practical Water Chemistry
The Chemistry of Water
Sweet Briar College professor Jill Granger's site describes water's properties and the process of electrolysis.
The Chemistry of Water
Organic Molecules in Organisms
RasMol Home Page
The UMass Rasmol site allows students to view macromolecules in 3D, including DNA, the quartenary protein Hemoglobin, and ion channels with their highlighted hydrophilic and hydrophobic regions. Requires a chime plugin.
RasMol Home Page
Cn3D
A great tool for seeing the 3D shapes of thousands of sequenced proteins is available for free through the National Center for Biotechnology Information (an offshoot of the NIH). Shows hydrophobic/philic regions, Domains, S-S bridges, etc.
Cn3D
Library of 3-D Molecular Structures
This site gives pretty and interesting views of biological molecules.
Library of 3-D Molecular Structures
Enzymes
Discover the Magic of Enzymes
Novozyme's site covers enzymes' history, function, discovery, and production.
Discover the Magic of Enzymes
Enzymes
This site provides a set of slides covering enzyme history, examples, function, cofactors, and regulation.
Enzymes
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