DNA or Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions is found in all living organisms, which develops and helps functions in the organism. DNA is the long term storage of information. DNA aim is like a bluebooks role for a house its the master plan and structure of the human body. DNA is unionised into structures called chromosomes. These chromosomes are copied before cells divide, in a dish called DNA replication. Chemically, DNA is a long polymer of simple units called nucleotides, with a lynchpin made of sugars and phosphate groups joined by ester bonds. Attached to distributively sugar are four different types of molecules called bases. Its the process of these four bases along the backbone that gives out this information. This information is analyse using a code that the genetic molecules process, which tells the sequence of the amino acids within proteins. The genetic code is read by copy stretches of DNA into the related nucleic acid RNA. Ribonucleic acid is a nucleic acid, which contains some nucleotides that are formed from the polymer.
RNA plays several important biological roles, including many processes involving translation of genetic information which I talked some earlier. Each nucleotide in RNA consists of a nitrogen-bearing base, a ribose sugar, and a phosphate. Nucleotides are the structural units of RNA, DNA, and several other(a) factors. There are several types of bases in Nucleotides which are employ in DNA. Thymine, Cytosine, Adenine, and Guanine. Adenine is unendingly paired with Thymine, and Cytosine is always paired with Guanine. And what holds these bases together is Hydrogen bonds
http://ghr.nlm.nih.gov/handbook/basics/dna
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