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DNA

Deoxyribonucleic Acid, or DNA, is a double stranded macromolecule of helical structure (comparable to a spiral staircase). Both single strands are linear, unbranched nucleic acid molecules built up from alternating deoxyribose (sugar) and phosphate molecules. Each deoxyribose part is coupled to a nucleotide base, which is responsible for establishing the connection to the other strand of the DNA. The 4 nucleotide bases Adenine (A), Thymine (T), Cytosine (C) and Guanine (G) are the alphabet of the genetic information. The sequences of these bases in the DNA molecule determines the building plan of any organism.

Web Resources On DNA

Wikipedia: DNA
DNA From the Beginning

Book Resources On DNA

DNA Science: A First Course by David A. Micklos, et al
DNA : The Secret of Life by James D. Watson
The Double Helix by James D. Watson

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