Amino Acid Quiz

Try to name the amino acids whose side chains have the characteristics listed below. Then click on the description to see if your answer(s) is correct. (Mouse controls)

  • Acidic
  • Basic
  • Smallest
  • Largest
  • Side chain bonds to alpha-amino group
  • Aromatic
  • Amide
  • Imidazole
  • Guanidinium
  • Phenolic
  • Phenyl
  • Amino group
  • Sulfhydryl
  • Aliphatic
  • Sulfur-containing
  • Has no stereoisomer
  • Most hydrophobic
  • Polar, not charged near pH 7
  • Branched at the beta-carbon
  • H-bond donors, near pH 7
  • H-bond acceptors, near pH 7
  • Negatively charged at pH 7
  • Negatively charged above pH 11
  • Positively charged at pH 8
  • Positively charged below pH 5

    • Comments/questions: svik@mail.smu.edu

    Copyright 1998, Steven B. Vik, Southern Methodist University