PROTEINS

Question 1

What are peptide bonds?

Answer 1

• carboxyl group (-COOH) on
  one amino acid (deprotonates to
  –COO- ) reacts with primary
  amino group (-NH2) on another
  (protonates to –NH3+).
• peptide bond is type of amide
• condensation reaction - water is eliminated
• can be broken by hydrolysis