- writhing number
- (W) in topology (def. 3), the number of superhelical turns in a DNA molecule with constrained ends.
Medical dictionary. 2011.
writhing number
Look at other dictionaries:
number — 1. A symbol expressive of a certain value or of a specific quantity determined by count. 2. The place of any unit in a series. atomic n. (Z) the n. of protons in the nucleus of an atom; it indicates the position of the … Medical dictionary
Superhelix — A superhelix is a molecular structure in which a helix is itself coiled into a helix. This is significant to both proteins and genetic material, such as overwound circular DNA.The earliest significant reference in molecular biology is from 1971,… … Wikipedia
Nucleic acid double helix — Double helix redirects here. For other uses, see Double helix (disambiguation). Two complementary regions of nucleic acid molecules will bind and form a double helical structure held together by base pairs. In molecular biology, the term double… … 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
topology — 1. SYN: regional anatomy. 2. The study of the dimensions of personality. [topo + G. logos, study] * * * to·pol·o·gy tə päl ə jē, tä n, pl gies 1) REGIONAL ANATOMY 2) CONFIGURATION … Medical dictionary
Huntington's disease — Classification and external resources A microscope image of … Wikipedia
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
List of Silent Hill monsters — The following is a list of monsters in the video game series Silent Hill . Silent Hill (1999)Common enemies*Air Screamer Pterodactyl like creatures that fly close to the ground surface and travel around in packs. They tend to linger around areas… … Wikipedia
Cthulhu Mythos deities — Writer H.P. Lovecraft created a number of fictional beings throughout the course of his literary career, including the Great Old Ones and the Outer Gods. The Elder Gods are a later creation of writer such as August Derleth, who is credited with… … Wikipedia
Lesch–Nyhan syndrome — Lesch Nyhan syndrome Classification and external resources ICD 10 E79.1 ICD 9 277.2 … Wikipedia
