A Layer

A Layer

Right handed double helical DNA with ±11 residues/turns, which is formed from B DNA by dehydration. The planes of base pairs in the helix are tilted 20º away from perpendicular to the axis of the helix.
References in classic literature ?
If these discoveries had been made after a lapse of sixteen centuries, under a layer of dust and ashes on a large scale, surely we might hope to meet with similar cases of preservation, after a lapse of three or four years only, under a layer of dust and ashes on a small scale.
Old Hank Bunker done it once, and bragged about it; and in less than two years he got drunk and fell off of the shot-tower, and spread him- self out so that he was just a kind of a layer, as you may say; and they slid him edgeways between two barn doors for a coffin, and buried him so, so they say, but I didn't see it.
Each of the four wings was first lightly covered with a layer.
It had been buried under two or three feet of soil and the spot covered with a layer of dead leaves and twigs.
When Jurgis lifted up the mattress he discovered beneath it a layer of scurrying roaches, almost as badly frightened as himself.
First you wrap a layer or two of blanket around your body, for a sort of cushion and to keep off the cold iron; then you put on your sleeves and shirt of chain mail -- these are made of small steel links woven together, and they form a fabric so flexible that if you toss your shirt onto the floor, it slumps into a pile like a peck of wet fish-net; it is very heavy and is nearly the uncomfortablest material in the world for a night shirt, yet plenty used it for that -- tax collectors, and reformers, and one-horse kings with a defective title, and those sorts of people; then you put on your shoes -- flat-boats roofed over with interleaving bands of steel -- and screw your clumsy spurs into the heels.
The floor surface "floats" over a layer of synthetic material, like neoprene pads, with a bottom layer of plywood completing the sandwich.