Chapter 5 Biochem

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Author:
glparker86
ID:
240778
Filename:
Chapter 5 Biochem
Updated:
2013-10-15 12:46:35
Tags:
Biochem
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Description:
Biochem
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  1. A tripeptide that helps inactivate oxidative compounds is
    glutathione
  2. Which reagent cleaves disulfide bonds oxidatively?
    Performic acid
  3. Which reagent reduces disulfide bonds to sulfhydryl groups?
    Mercaptoethanol
  4. Which chemical reagent promotes peptide bond cleavage on the C-side (carboxyl side) of Met residues?
    Cyanogens bromide
  5. Which chemical reagent promotes peptide bond cleavage on the C-side (carboxyl side) of lysine and arginine residues if the next residue is not proline?
    Trypsin
  6. What uses a stable pH gradient to separate proteins.
    Isolectric focusing
  7. A protein is most soluble at its isoelectric point.
    False
  8. In two-dimensional (2D) gel electrophoresis, a sample of proteins is first subjected to isoelectric focusing, and then to SDS-PAGE in a perpendicular direction.
    True
  9. The amino acid sequence of a polypeptide can be determined through repetitive cycles of the
    Edman Degradation

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