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DNA-the most complicated molecule in the world can be copied precisely can be turned into a recipe (RNA) can be easily modified

[|Video on DNA] [|How computer animation is expanding our comprehension of how DNA works]

DNA game design 4 base pairs 3 codons [|20 amino acids]
 * 1) lanine,
 * 2) Arginine,
 * 3) Asparagine,
 * 4) Aspartic acid,
 * 5) Cysteine,
 * 6) Glutamic acid,
 * 7) Glutamine,
 * 8) Glycine,
 * 9) Hystidine,
 * 10) Isoleucine,
 * 11) Leucine,
 * 12) Lysine,
 * 13) Methionine,
 * 14) Phenylalanine,
 * 15) Proline,
 * 16) Serine,
 * 17) Therionine,
 * 18) Tryptophan,
 * 19) Tyrosine,
 * 20) Valine

Proteins see [|Protopedia]
 * Hemoglobin
 * Insulin
 * Collagen
 * Antibodies
 * Keratin

Approximately one third of the mass of a mammalian red blood cell is hemoglobin. Its major function is to carry oxygen from the lungs through the arteries to the tissues and help to carry carbon dioxide through the veins back to the lungs. The process whereby hemoglobin performs this essential physiological role is characterized by a cooperative interaction among its constituent subunits. Hemoglobin has thus assumed the role of a model system whose study acquires ramifications extending far beyond its own function as an oxygen transport system. A molecule of hemoglobin is composed of 4 amino acid chains (proteins): 2 alpha chains (red) and 2 beta chains (blue). Each chain also has an iron-containing heme group (green). 146 amino acids.

[|Life: Carl Sagan]

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