bio- chap 4 - I. CARBON A. accounts for endless diversity...

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I. CARBON A. accounts for endless diversity of biological molecules B. Organic Chemistry 1. study of carbon compounds a. C, H, O, N, S, P all exist in the same ratios from cell to cell 2. originated in attempts to purify and improve yield of such valued subs 3. Jakob Berzelius makes distinction btwn organic (living) and inorganic (nonliving) compounds. Vitalism 4. Chemists strt synthesizing compounds in a lab 5. 1828- Friedrich Wohler attempted to make inorganic salt, but instead made urea 6. theory shifts from vitalism to mechanism a. all natural phenomena are governed by physical and chemical laws C. Carbon atom versatility 1. 4 valence electrons a. little tendency to lose/gain electrons or to form ionic bonds b. completes its shell by sharing in covalent bonds c. tetravalence: molecule can branch off into 4 directions d. tetrahedral shape e. covalent compatibility with many diff elements (most frequent partners are O, H, N) f. can form bonds with eachother 2. important molecules a. CO
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bio- chap 4 - I. CARBON A. accounts for endless diversity...

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