adjective see superhelix

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • superhelical — See superhelix. * * * …   Universalium

  • superhelical — adjective Of or pertaining to a superhelix, the shape formed by a helix twisted into a helix See Also: superhelicity, superhelically …   Wiktionary

  • superhelical — su·per·helical …   English syllables

  • superhelical — adjective see superhelix …   Useful english dictionary

  • superhelix — superhelical /sooh peuhr hel i keuhl, hee li /, adj. superhelicity /sooh peuhr heuh lis i tee/, n. /sooh peuhr hee liks/, n., pl. superhelices / hel euh seez /, superhelixes. Biochem. a coil formed by intertwined helical DNA or by protein chains …   Universalium

  • Nucleosome — Nucleosomes are the basic unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound around a histone protein core.[1] This structure is often compared to thread wrapped around a spool.[2] Nucleosomes form the fundamental repeating …   Wikipedia

  • Keratin — Not to be confused with kerogen, carotene, chitin, or creatine. Microscopy of keratin filaments inside cells. Keratin refers to a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human… …   Wikipedia

  • Preinitiation complex — The preinitiation complex (abbreviated PIC) is a large complex of proteins that is necessary for the transcription of protein coding genes in eukaryotes (+archaea). The preinitiation complex helps position RNA polymerase II over gene… …   Wikipedia

  • Mechanical properties of DNA — The mechanical properties of DNA, which are directly related to its structure, are a significant problem for cells. Every process which binds or reads DNA is able to use or modify the mechanical properties of DNA for purposes of recognition,… …   Wikipedia

  • DNA supercoil — Supercoiled structure of circular DNA molecules with low writhe. Note that the helical nature of the DNA duplex is omitted for clarity …   Wikipedia

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