Helix

Helix

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Credit: CHARLES D. WINTERS/SCIENCE PHOTO LIBRARY

Caption: A screw is an example of a helix, a special kind of space curve. The DNA molecule is a double helix, or two intertwined helices.

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Keywords: chemistry, concept, curve, demonstration, dna, educational, geometric, geometry, hardware, helix, lab, right-handed helix, science, screw, shape, smooth curve, space curve

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