sugar, phosphate residue and a base or Nucleotide's
DNA consists of two long polymers that run in opposite directions forming the regular geometry of the double helix. The monomers of DNA are called nucleotides. Nucleotides have three components: a base, a sugar (deoxyribose) and a phosphate residue.
Dust mites are tiny microscopic relatives of the spider and live on mattresses, bedding upholstered furniture, carpets and curtains. These tiny creatures feed on the flakes of skin that people and pets shed daily and they thrive in warm and humid environments.