AMINO AICDS

Cards (50)

  • What is the simplest amino acid?
    Glycine
  • At physiological pH (7.4), how do amino acids generally exist?
    As zwitterions
  • Which amino acid has an imino group instead of an amino group?
    Proline
  • Which amino acid contains a thiol group?
    Cysteine
  • Disulfide bonds in proteins are formed between which residues?
    Two cysteine residues
  • Which amino acid has an indole group?
    Tryptophan
  • Which amino acid can be phosphorylated during signaling?
    Serine
  • Which amino acid has a guanidinium group?
    Arginine
  • Which amino acid is aromatic and polar?
    Tyrosine
  • Which amino acid is a precursor for serotonin?
    Tryptophan
  • Which amino acid is essential?
    Leucine
  • Which amino acid is ketogenic only?
    Leucine
  • Which amino acid is both glucogenic and ketogenic?
    Tyrosine
  • Which amino acid gives rise to histamine?
    Histidine
  • Which amino acid is used in creatine synthesis along with methionine?
    Glycine
  • Which amino acid has a phenolic side chain?
    Tyrosine
  • Which amino acid is most abundant in collagen?
    Glycine
  • Hydroxyproline is derived from which amino acid?
    Proline
  • Which amino acid disrupts α-helices?
    Proline
  • Which amino acid is coded by AUG, the universal start codon?
    Methionine
  • Which amino acid has a side chain pKa close to physiological pH, making it important in enzyme catalysis?
    Histidine
  • Which amino acid derivative is GABA derived from?
    Glutamate
  • Which amino acid can be converted into niacin?
    Tryptophan
  • Which amino acid is essential for children but not always adults?
    Arginine
  • Which amino acid is aromatic and nonpolar?
    Phenylalanine
  • Which amino acid forms part of glutathione along with glutamate and glycine?
    Cysteine
  • Which amino acid contains a secondary amino group?
    Proline
  • Which amino acid can act as a neurotransmitter itself?
    Glycine
  • Which amino acid has a sulfur atom but cannot form disulfide bonds?
    Methionine
  • Which amino acid is often found in turns of proteins?
    Glycine
  • Which amino acid is most hydrophobic?
    Leucine
  • Which amino acid has a carboxamide side chain?
    Glutamine
  • Which amino acid is positively charged at pH 7.4?
    Lysine
  • Which amino acid is negatively charged at pH 7.4?
    Aspartate
  • Which amino acid contains an indole ring?
    Tryptophan
  • Which amino acid is a precursor to catecholamines?
    Tyrosine
  • Which amino acid has a side chain containing an amide group?
    Asparagine
  • Which amino acid has a hydroxyl group in its side chain?
    Serine
  • Which amino acid forms the backbone of heme synthesis?
    Glycine
  • Which amino acid is converted into dopamine?
    Tyrosine