About DNA

 DNA:

 DNA is Deoxy Ribonucleic Acid. It is the Molecule located inside the Nucleus of a cell. The main Job of DNA is to store and codes Genetic Information of body. DNA codes genetic information for transmission of inherited traits.

In most life cycle of cell DNA located inside nucleus of cell like coiled noodle. But when cell replicates, the DNA is arranged in form of structure known as Chromosome.   

 DNA determine that the structure of DNA is a double-helix polymer where two DNA strands wound around each other                                      
Each strand of a DNA molecule is composed of a long chain of monomer nucleotides. The nucleotides of DNA consist of a deoxyribose sugar molecule to which is attached a phosphate group and one of four nitrogenous bases:
                                  1. two purines (adenin and guanine)
                                  2. two  pyrimidines (crytosine and thymine).
  
 

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