Check your speedOnScreen DNA Lite gives everyone a painless way to grasp the details of the double helix structure of DNA. This is accomplished by on-screen tutorials that guide you through an exploration of a virtual 3D model. Numerous aids to learning and understanding, including popup labels, an auxiliary linear representation of the model, the ability to rotate the model in space and to toggle between single and double strand views, make this software fun to play with. Base-pairing is made clear, and so are the polarity and right-handedness of the DNA strands and what those terms mean. In addition, there is a simulation of DNA denaturation, a laboratory phenomenon important in biotechnology, in which the DNA strands are seen to split apart. These two activities are taken from more advanced editions of the OnScreen DNA software. This version is the first release on CNET Download.com.
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