The Major Functional Groups in an Amino Acid

Identify the major functional groups in an amino acid

  • Functional groups attach to the carbon skeleton of the molecule. Common functional groups include: Methyl, Hydroxyl, Carbonyl, Carboxyl, Amino, Phosphate, and Sulfhydryl.
  • Functional groups can be part of reactions and help in making proteins, carbohydrates, DNA, lipids, etc.
  • The functional groups in an amino acid are the carboxyl and amino groups attached to the organic molecule (commonly represented with an R).