Bonds

• What type of bond is formed through chemical reactions that alter a polypeptide's structure after its synthesis

  Covalent Bond
• What is the most prominent type of covalent bond found in many extracellular proteins, providing protection against changes in pH or salt concentration

  disulfide bonds
• Why do intracellular proteins typically not contain disulfide bonds?


  high concentrations of reducing agents in the cytoplasm that can break disulfide bonds.
• What type of bond involves the attraction between hydrogen atoms with a partial positive charge and other atoms with a partial negative charge?

  Hydrogen bond
• How do hydrogen bonds contribute to protein structure?

  stability