As illustrated with OnScreen Gene Transcription in our May 1 column, OnScreen Science now has a few very nice iPad apps to teach students about DNA and RNA. The OnScreen DNA Model app was the original ...
DNA is a biological molecule that contains the instructions an organism needs to function, develop, and reproduce. It is present in all forms of life on earth and contains each organism’s genetic code ...
Look closely at someone you love. Notice the curve of her smile and the special way her forehead creases when she laughs. Next time you’re holding hands, pay attention to the shape of her fingers.
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