Amino Acids (chem)

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  • Amino Acids
    • General formula
      • RCH(NH2)COOH
    • 2aminoethanoic acid is also known as
      • GLYCINE
    • The creation of a dipeptide or polypeptide is known as
      • a condensation reaction
    • You break down amino acids by
      • hydrolysis reaction
    • Amino acids are joined together by
      • Peptide bonds
    • Zwitterion
      • An internal salt formed when the caboxyl group and amino group interact
    • Zwitterion formation
      • A proton is transferred for carboxyl to the amine group
    • Isoelectric point
      • The pH value at which the amino acid exists in a zwitterion exists
    • Zwitterion charge
      • no overall charge because the positive N and negative O balance out
    • In acidic conditions Zwitterions act as
      • a base (proton acceptor)
    • In alkaline conditions a Zwitterion acts as
      • An acid (proton donor)
    • Amino acids act as
      • both an acid and a base because of the acidic carboxyl and the amine group


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