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Helix

(Science: chemistry molecular biology) a spiral structure in a macromolecule that contains a repeating pattern. A curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle.A structure consisting of something wound in a continuous series of loops; a coil of rope.Type genus of the family Helicidae.A spiral where any point of the spiral is exactly the same distance to the centre of it in respect to other parts of the spiral.