helix winding

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• helix — noun (plural helices; also helixes) Etymology: Latin, from Greek; akin to Greek eilyein to roll, wrap more at voluble Date: 1563 1. something spiral in form: as a. an ornamental volute b. a coil formed by winding wire around a uniform tube 2. the …   New Collegiate Dictionary

• Double Helix Medal — Awarded for Individuals who have positively impacted human health by raising awareness and funds for biomedical research Presented by Cold Spring Harbor Laboratory …   Wikipedia

• plectonemic winding —    Describes the interwining of the two strands in the classical double helix of DNA …   Forensic science glossary

• nucleic acid — /nooh klee ik, klay , nyooh /, Biochem. any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides. [1890 95; NUCLE(US) + IC;… …   Universalium

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• spiral — 1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring. 2. A structure in the shape of a coil. [Mediev. L. spiralis, fr. G. speira, a coil] Curschmann spirals spirally twisted masses of mucus occurring in …   Medical dictionary

• Traveling-wave tube — A traveling wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling wave tube amplifier (TWTA).The bandwidth of a broadband TWT can be as high as three… …   Wikipedia

• Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …   Wikipedia

• Wire — For other uses, see Wire (disambiguation). Wires overhead A wire is a single, usually cylindrical, flexible strand or rod of metal. Wires are used to bear mechanical loads and to carry electricity and telecommunications signals. Wire is commonly… …   Wikipedia

• Perm (hairstyle) — A permanent wave, commonly called a perm, is the chemical and/or thermal treatment of hair to produce waves or curls. The use of the word permanent is justified insofar as when the wave is permed, it remains so; however, as the hair grows, the… …   Wikipedia

• Electromagnet — An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off. Electromagnets are widely used as components of other electrical devices,… …   Wikipedia