Sentences with phrase «which sheathe»

Chemical marks on the histones, which sheathe our chromosomal DNA in each cell's nucleus, act as «stop» and «go» traffic signals.

Not exact matches

In vertebrates, the axons of many neurons are sheathed in myelin, which is formed by either of two types of glial cells: Schwann cells ensheathing peripheral neurons and oligodendrocytes insulating those of the central nervous system.
James Christiansen, professor of biology at Drake University in DesMoines, is studying how telomeres, the simple, non-genetic DNAsequences that sheathe the ends of chromosomes, function in reptiles.Each time a healthy human cell divides, it loses a little bit of thetelomere, until the strands are too short to protect the chromosomes.At that point the DNA in a cell begins to break down, which triggerssenescence and death.
MS is an inflammatory disease in which the protective myelin sheathing that coats nerve fibers in the brain and spinal cord is damaged and ultimately stripped away — a process known as demyelination.
Since we all lose some of this sheathing with age, this is of general interest, applicable to more than just conditions such as multiple sclerosis in which a great deal of myelin is lost.
The red rash of plaque psoriasis is usually sheathed in silvery - white «scales,» which are really dead skin cells.
For instance, autoimmunity to nerve cells may produce symptoms similar to multiple sclerosis (MS), which is an autoimmune reaction to nerve sheathes.
The content is fine, but I have a big beef with the packaging: the keepcase is sheathed in a slipcase with a lenticular rendering of the film's familiar poster, but it's next to impossible to pry the goods loose from this outer sleeve, which looked none - too - attractive by the time I was done massaging it.
A «zombie subtitle stream» and similarly - illegible «zombie thoughts» option (available as an easy - to - find Easter egg) join trailers for The Return of the Living Dead, Jeepers Creepers, and Jeepers Creepers 2 as well as the «MGM Horror Films Trailer» in rounding out the platter, which comes sheathed in a non-descript glow - in - the - dark slipcover.
The number of Carrera marble and river - pebble sheathed shower suites will double from three to six, which should help with the evening rush when around 15 flyers opt to clean up before their flight.
Extending themes from «Dead Treez», the artist turns the gallery into a garden - like environment of poisonous plants with three scenarios, in which bodies sheathed in patterned fabrics have succumbed to violence often endemic to marginalized communities.
Louis I. Kahn designed that handsome, travertine - sheathed facility, which opened in 1972 and won renown for its innovative use of natural light.
Goodman's cavernous front gallery space has been sheathed in the larger of Mr. Kentridge's two multi-screen film installations: a giant curvature of eight projection screens titled More Sweetly Play the Dance, which was co-commissioned by the EYE Filmmuseum in Amsterdam and the Lichtsicht Projection Biennale in Bad Rothenfelde, Germany.
Their contribution to that show was a pandemonium of ear - cracking sound, seizure - inducing films, and bewigged mannequins sheathed in the collective's trademark knit Afghans, which look like they were produced by a team of Taylorist acidheads with industrial looms.
It's been clear for a long time that, other things being equal, polar bears have a much easier time when Arctic waters are sheathed in ice to provide a platform from which to hunt and kill seals.
If vapor retarders are located to the exterior in mixed climates (and are coupled with permeable interior sheathings and finishes), they should be maintained at a warm enough temperature during the heating season to control the amount of interior moisture which can accumulate on their interior surfaces (elevation of the condensing surface temperature).
Our only composite material will be plywood, which will be used for cladding, cabinetry and exterior wall sheathing.
Installation of certain boards and drives will require a screwdriver (Dell's designers decided to eschew, for the most part, the cute, tool-less solutions seen in pricier rigs), but all of the cables are neatly sheathed in black fibrous tubing, which keeps clutter to a minimum and ought to make upgrading fairly painless.
That purchase included the former headquarters of Tivoli Systems Inc., which Charles Schwab has already repurposed into a gleaming, glass - sheathed, five - story office building with 187,000 square feet.
News stories and lawsuits have linked the product to water intrusion behind exterior walls, which in turn rots sheathing, and other building components and makes many afflicted homes virtually unsalable.
Equilibrium Definition: when opposite forces are in total harmony Contemporary handcrafted floor lamp composed of a hand - sewn sheathed leather polished brass stem which adjusts in hei...
a b c d e f g h i j k l m n o p q r s t u v w x y z