biochem exam I

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XQWCat
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285224
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biochem exam I
Updated:
2014-10-08 11:14:20
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biochem
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Description:
biochem exam I Ch 1-4
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  1. vitalists
    organic compounds only produced by living organisms (life begets life)
  2. Friedrich Wohler
    • lab synthesis of urea
    • NH3 + N=C-OH --> N=C-O- NH4+  --> H2N-C(=0)-NH2

    ammonia + cyanic acid ---> ammonium cyanate ---> urea
  3. modern def of organic cmpd
    • compound of carbon (bad b/c CO2 is inorganic)
    • SO now they say must have C-C or C-H bond, but urea doesn't.
  4. hydrocarbons vs ionic cmpds
    reactivity: 
    mp/bp: 
    electrical conductivity: 
    solubility in aqueous solvents:
    • reactivity: ionic more, bonds break easier
    • mp/bp: hydrocarbon lower (liquid at room temp) b/c only has London forces.  
    • electrical conductivity: ions are mobile, hydrocarbons don't conduct
    • solubility in aqueous solvents: ions yes, hydrocarbons no
  5. Hydroxyl
    alcohol
  6. carbonyl

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