DNA was all organisms and some viruses have a nucleic acid that contains genetic instructions vitality and functions necessary for biological developments. The main role of DNA is a long-term storage of information. Protein and DNA, since it contains the information needed to construct other components of cells, such as RNA; A mold is likened to the template or prescription. This is referred to as DNA fragments comprising genes and genetic information. But other DNA sequences have structural purposes (eg, to determine the shape of chromosomes), while others in the way in which the genetic information (in which cells, in which conditions) will be used to regulate benefits.
Chemically DNA, consisting of simple units called nucleotides consists of two long polymers. Backbones of polymers with ester bonds consist of interconnected sugar and phosphate groups. The two strands extend in opposite directions to each other. As a basis to each sugar is one of four types of molecules called. Consisting of the four bases along the DNA backbone sequence encodes genetic information. During protein synthesis, this information specifies the amino acid sequence of the protein using the genetic code okununca. During this process the information in DNA is copied into RNA which another nucleic acid having a structure similar to DNA. This process is called transcription.
