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So all is not fine about DNA s discovery, we have to be very careful about the ill uses of this technology. DNA, the acronym for Deoxyribonucleic Acid, stands for the key foundation on which the structure of life is built.
The name DNA stands for deoxyribonucleic acid. By breaking down the name, we can understand the structure of the molecule. DNA is a long string of nucleotide units attached to one another. In a single nucleotide there are three components: 1) a sugar molecule, 2) a phosphate group, and 3) a nitrogenous base.(See Figure B-2.) In DNA, the sugar molecule happens to called deoxyribose, hence the name deoxyribonucleic acid.n summary, a double helix of DNA is composed of two spiraling, complementary strands of DNA. Each strand is composed of a sugar and phosphate backbone with varying nitrogenous bases sticking in towards the center. The two strands are joined together at the center by pairing bases lined up with one another.