QUE SIGNIFIE SUPERCOIL EN ANGLAIS
Supercoil d'ADN
Le super-enroulement d'ADN se réfère à l'enroulement excessif ou à l'enroulement d'un brin d'ADN, et est une expression de la pression sur ce brin. Le super-roulis est important dans un certain nombre de processus biologiques, tels que le compactage de l'ADN. En outre, certaines enzymes telles que les topoisomérases sont capables de modifier la topologie de l'ADN pour faciliter les fonctions telles que la réplication ou la transcription de l'ADN. Les expressions mathématiques sont utilisées pour décrire le super-enroulement en comparant différents états enroulés à l'ADN de forme B détendu. En règle générale, l'ADN de la plupart des organismes est en surcroît négativement.
définition de supercoil dans le dictionnaire anglais
La définition de supercoil dans le dictionnaire est une bobine constituée de bobines, une bobine complexe; en particulier, une structure superhelical de l'ADN.
MOTS EN ANGLAIS EN RAPPORT AVEC «SUPERCOIL»
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «SUPERCOIL»
Découvrez l'usage de
supercoil dans la sélection bibliographique suivante. Des livres en rapport avec
supercoil et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
A Guide to Endangered and Threatened Species in Virginia
Spirit Supercoil Paravitrea hera Endangered DESCRIPTION: Shells of the spirit
supercoil are about Vs to V4 inch high and Vi6 inch wide, pale brown to white,
and nearly glossy. Spire is low to conical with up to 77/io whorls which gradually
...
Karen Terwilliger, John R. Tate, Susan L. Woodward,
1995
2
DNA Structure and Function
One toroidal 360° wrap is equivalent to one interwound supercoil provided there
is no change in the twist (T) of the helix (see Figure 3.5). 3. Restrained and
Unrestrained Supercoils A negative supercoil can exist in two forms, restrained or
...
The main experimental evidence supporting the supercoil model (Pardon et al.,
1967) consists of the recording of the diffraction pattern of the same specimen in
three successive states: (a) slightly stretched; ([9) strongly stretched; and (c) ...
4
Cell Biology and Genetics
section of DNA double helix chromatin solenoid giant supercoil (extended form)
giant supercoil 6 loops assemble to give 1 rosette 30 rosettes = 1 coil mitotic
chromosome 2 nm 10 nm 30 nm 300 nm 700 nm 1400 nm Fig. 6.12 Higher order
of ...
Joanne Evans, Ania L. Manson,
2008
5
Lehninger Principles of Biochemistry
24–28). As mentioned earlier, eukaryotic topoisomerases can relax positive
supercoils. Relaxing the unbound positive supercoil leaves the negative
supercoil fixed (through its binding to the nucleosome histone core) and results in
an overall ...
David L. Nelson, Albert L. Lehninger, Michael M. Cox,
2008
Analogous to negative supercoil in right-handed Analogous to positive supercoil
in right-handed helix such as helix such as Rotate B-DNA B-DNA this end Figure
9.14 Supercoiled DNA topology. The DNA double helix can be approximated as
...
Mary Campbell, Shawn Farrell,
2014
The molecule in Figure 13B is negatively supercoiled, since Lk < Lk0, but it does
not contain the familiar interwound supercoil in the molecule of Figure 13C. The
linking number deficit is manifested as a twist deficit in the molecule shown in ...
in. Species-Specific. Supercoil. Set. Points. Supercoiling is a critical factor for
nucleoid formation and segregation. The multiple functions of negative
supercoiling include: (1) Gyrase-dependent compaction of DNA into an
interwound and ...
Remus Thei Dame, Charles J. Dorman,
2009
9
The Human Genome Project: Deciphering the Blueprint of Heredity
Thus the linking-number change associated with the core particle ALk = — 1 .7+
0.68 = — 1 .02 as observed. Now we can suggest how a DNA loop packaged as
a 34-nanometer supercoil of nucleosomes (see Figure 6) could be unwound ...
10
DNA Conformation and Transcription
(iii) The supercoil-induced formation of alternative structures in the regulatory
regions may also influence protein binding. One particular example, albeit an
artificially created system, is a down-regulation of transcription from an inverted ...
10 ACTUALITÉS CONTENANT LE TERME «SUPERCOIL»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
supercoil est employé dans le contexte des actualités suivantes.
The Carbon Express Intercept Supercoil LT Is Lighter and Faster …
Flushing, MI -(Ammoland.com)- Carbon Express is pleased to introduce the innovative Intercept Supercoil LT to an already extensive line of high performance ... «AmmoLand.com, janv 15»
ACCEL Stealth SuperCoils
SONY DSC ACCEL's motorcycle Stealth SuperCoils are now available for 2007-14 Harley-Davidson Sportsters. The Stealth SuperCoils provide quicker engine ... «American Iron Magazine, déc 14»
Folding rules used to build unnatural proteins
Both groups looked at α-helical coiled coils, which are made up of coiled chains of amino acids, themselves coiled around one another into a 'supercoil'. «Royal Society of Chemistry, oct 14»
2006 Ford F-150 - Project Fast-150: Part 5
We recently upgraded the ignition coils on our FAST-150 project truck, replacing the stock coil-on-plug units in our three-valve 5.4L V-8 with ACCEL SuperCoils. «Four Wheeler Network, août 14»
ACCEL renews focus on powersports segment
Its most recent product is the Stealth SuperCoil, which features a cast aluminum cover that holds the coil in place while also acting as a functional heat sink, ... «Powersports Business, avril 14»
Carbon Express Redefines Bow Hunting With The Intercept Supercoil
Built from the AR-inspired Intercept platform, the Intercept Supercoil has many of the same customizable fit and performance features in a more lightweight ... «AmmoLand.com, déc 13»
Paper: "Irreducible Organization" of DNA Necessary for Genetic …
Conversely, the physicochemical properties of DNA, as exemplified by supercoiling and mechanical stiffness, are determined not by individual base pairs but by ... «Discovery Institute, oct 13»
Physicists tease out twisted torques of DNA
A cartoon illustrates the measurements of torque generated by an RNA polymerase. An RNA polymerase motor (green) generates DNA supercoiling as it moves ... «Phys.Org, juin 13»
Protein abundant in cancerous cells causes DNA 'supercoiling'
A team of USC scientists has identified a protein that can change DNA topology, making DNA twist up into a so-called "supercoil." The finding provides new ... «EurekAlert, mars 13»
Triumphant Two-Stroke – 1960 Saab 93F
Later updates done by Craig were the addition of the VW Scirrocco cross-flow radiator, electric cooling fan, Pertronix ignition with Accel supercoil and VW Super ... «Sports Car Digest, oct 12»