BrainMass Quizzes BioChemistry Basics This Quiz will test your knowledge of the amino acids used in biological systems 1 Identify this amino acid: Leucine Arginine Phenylalanine Valine Proline 2 Identify this amino acid: Isoleucine Alanine Aspartic acid Methionine Serine 3 Identify this amino acid: Tryptophan Histidine Cysteine Asparagine Threonine 4 Identify this amino acid: Cysteine Histidine Aspartic acid Isoleucine Methionine 5 Identify this amino acid: Aspartic acid Histidine Threonine Ornithine Tryptophan 6 Identify this amino acid: Aspartic acid Histidine Threonine Ornithine Tryptophan 7 Identify this amino acid: Histidine Aspartic acid Asparagine Tryptophan Threonine 8 Identify this amino acid: Histidine Aspartic acid Asparagine Tryptophan Threonine 9 Identify this amino acid: Proline Tryptophan Glutamine Histidine Lysine 10 Identify this amino acid: Proline Threonine Glutamine Histidine Lysine Submit Quiz