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Provides students, teachers and researchers the basic concepts in mathematics and their connection to molecular modeling. Links


Biomolecular Explorer 3D

Designed to give high school biology teachers easy access to interactive 3D structures of biologically significant molecules




Just as the 20th century was marked by the development of electricity, telephones, aviation, computing, and private motor vehicles, the 21st century is being marked by significant progress in a broad spectrum of technologies, among them: molecular computing, genomics, rational drug design, and alternative energy.

What is common to all these new technologies? They are all being made possible because of a greater understanding of The World of Molecules.

Many questions that arise in K-12 education can be better understood by seeing and interacting with molecules in 3-D.

Explain it with Molecules -- Interactive Molecules-- is about "real interactivity"! All you need is to be java enabled. The Jmol Applet used with these molecular structures will allow you to view molecular structures in 3-D. Images can be viewed as wire-frame, ball and stick or CPK. As with the Chime plug-in, it is also possible to measure distances and angles.

We have also included computer javascripts on many pages that will test students understanding of the material and make the exercises more interactive.


WATER --- Why is water such a good solvent?

ICE --- Why does ice float?

METHANE --- What is the geometry of methane?

COMPARISON OF PSEUDOEPHEDRINE, EPHEDRINE AND METHAMPHETAMINE--- How small changes in a molecule can make major changes in physiologyl

alpha and beta Glucose--- What's the difference between alpha and beta glucose?

How does Caffeine Work?--- WHow does caffeine work in the brain?

Sucrose vs. Fructose--- What's the difference between surcrose and fructose?

CARBON MONOXIDE --Why is carbon monoxide so dangerous?

SOAP --- How does soap work?

GRAPHITE -- Why is graphite so soft if it is made of only carbon?

CARBYNE-- What is the difference between Carbyne and Graphite?

DIAMOND --- Why is diamond so hard if it is made of the same substance as graphite?

FULLERENE -- Why is the fullerene and similar structures the cornerstone of nanotechnology? How big is a nanotube?

SALT -- NaCl -- Why does table salt have a cubic crystal shape?

BENZENE -- What is the structure of the benzene molecule?

DNA STRAND -- Why do carcinogens like nicotine cause cancer?

The Hemoglobin S MOLECULE -- What causes Sickle Cell Anemia?
WHAT IS THE DIFFERENCE BETWEEN SODIUM NITRITE AND NITRATE? - Both are used as preservatives but there are significant differences between these compounds.
HOW DRUGS WORK-- Why do drugs work? What causes side-effects?

  Math and Science Center
Mass Volume and Density

Scientific Notation

Carbon Module

Greatest Inventions of All Times

Biotechnology Guide

Nanotechnology Resources




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