Introduction to DNA Structure
Ball-stick and wire-frame graphical views of DNA structure with a written
summary.
Chemistry Tutorial
From The Biology Project at the University of Arizona. A review of basic
chemistry for understanding biology - with practice problems.
Large Molecules
From The Biology Project at the University of Arizona. Information on the
structure and function of sugars, lipids, proteins, and nucleic acids -
with review questions.
Energy, Enzymes, Catalysis
From The Biology Project at the University of Arizona. Details about the
structure and function of enzymes and their role in metabolism - with
review questions.
WebElements - the Periodic Table on the World-Wide Web
Click on an element in the table and access its chemical, physical,
crystallographic, nuclear, electronic, biological, and geological
properties.
Amino Acids
Structural formulas and 3D molecular models of the common amino acids.
MathMol Home Page
Comprehensive source for molecular modeling and 3-D visualization. The
water module is particularly helpful.
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