Sugar Grove Realty is located at 39 Maple Avenue, in Franklin, WV, at the crossroads of Routes 220 & 33. Locally owned and operated, providing full time real estate services in Pendleton County WV and the surrounding area.
The name of the twisted ladder shape of the DNA molecule is called a double helix. This is because it is constructed of two long strands that twist around each other to form a ladder-like structure. Continue Reading. The double helix shape of DNA molecules consists of two rails and steps that link the rails together.
Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The DNA double helix showing base pairs. The sides are sugar and phosphate molecules. The rungs are pairs of chemicals called 'nitrogenous bases', or 'bases' for short. There are four types of base: adenine (A), thymine (T), guanine (G) and cytosine (C). These bases link in a very specific way: A always pairs with T, and C always pairs with G. The DNA molecule has two important properties.