AP_chapter_17_closed_notes (1)

AP_chapter_17_closed_notes (1) - Chapter17Notes...

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Chapter 17 Notes From Gene to Protein
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Concept 17.1 The study of metabolic defects provided  evidence that genes specify proteins - (1909) Garrod suggests that genes  dictate phenotypes that catalyze  specific chemical reactions in the cell - ex. alkaptonuria 
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Concept 17.1 One Gene- One Enzyme - mutations that affect eye color in  Drosophila  block pigment synthesis at a  specific step by preventing production  of the enzyme that catalyzes that step -b/c each mutant was defective in a  single gene, the function of a gene is to  dictate the production of an enzyme
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Concept 17.1 One Gene- One Polypeptide - after researchers discovered that not  all proteins are enzymes, they revised  their hypothesis - many proteins are made from two or  more polypeptide chains, and each  chain is specified by its own gene
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Concept 17.1 Transcription and Translation are the two  main processes linking genes to  proteins ___________  is the synthesis of RNA  under the direction of DNA ______________  is the actual  synthesis of a polypeptide, which  occurs under the direction of mRNA
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Concept 17.1
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Concept 17.1 Nucleotide triplets specify amino acids
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AP_chapter_17_closed_notes (1) - Chapter17Notes...

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