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DNA- deoxyribosnuclei acid

molecule that contains genectic information. Present in the chromosones of genes, and found inside the nuclei of cells

4 organic bases: adenine, thymine, cytosine and guanine

Purine bases: made up of 6 sided ring joined to a five sided ring adenine and guanine

Pyrimidine babes:made up of single 6 sided ring: thymine and cytosine

The structure of DNA is made up of many repeated units called nucleotides which contain; 5 carbon sugar deoxyribose, phosphate group and a nitrogenus organic base. Its made up of…


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