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Unformatted text preview: o First discovered in 1869 by Miescher o Photographed by Rosalind Franklin (1920-1958) o 1944 Watson, Crick and Wilkes published 10 year study o 1962 Nobel Prize DNA-Found in the nucleus of the cell-Comprised of 4 chemical bases o Adenine o Thymine o Cytosine o Guanine-Arranged in a double helix form-The only molecule that can make an extract copy of itself-Supports of the ladder are comprised of sugar and phosphate-Rungs of the ladder are comprised of the 4 chemical bases A&T C&G-Chemical bases make up the code that determines the form of an organism-Codons- 3 chemical bases in a row o Code for amino acid o Amino acid make protein o Proteins- main component of biological structures Human Chromosomes-Autosomes o 22 pairs o General body structure-Sex chromosomes o 1 pair o Determine sex XX- female (varies) XY- male...
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- Fall '03
- DNA, chemical bases, Staphylococcus Escherichia coli, Aka sex cells, organelles Mitochondria Ribosomes, Embryology Vestigial organs