Week Five - o Letter-Word—Sentence—Protein •...

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Week Five 12/02/2008 11:36:00 February 12, 2008 Nucleotide Phosphate, Sugar, Base Base makes each unique  Watson & Crick 1953 o Built Model o Nobel Prize (with Wilkins) 1962 Replication o Molecule unzips by way of breaking hydrogen bonds breaking Exposes Bases Attracts new Nucleotide  o Semi-Conservative No the same as a direct copy  Chromatids o Held together by Centromere Upper arms and lower arms o Copies of Chromosome  A language o An entire language based on a four-letter alphabet o And three letter words o Complimentarily is everything Bags of Protein  o 20 amino acids o Constructs Life  o DNA just stores the name of those 20 acids 
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Sequence of Names o Each group of three is a sequence is a name
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Unformatted text preview: o Letter--Word—Sentence—Protein • Polypeptide o Collagen o Hormone or enzymes (more complex) o Reducible to a sequence of amino acids • Biological Communication o Directing the life of the organism Transcription in nucleus DNA vs. RNA • Dioxyribose vs. Ribose • Thyamine vs. Uracil Ribosome Transcribed form DNA into RNA • Transfer RNA o Head end three bases o Predicable (Head predicts) • Does and Anti-Codes o Complimentary is still the key • Polyribosome o Polypeptide chains grow until released and it says as a filament of collagen or into whatever it is directed to do 12/02/2008 11:36:00 ← 12/02/2008 11:36:00 ←...
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