Proteins and Amino Acids
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Questions and Answers

Which amino acid is conditionally essential when the body fails to supply enough phenylalanine?

  • Threonine
  • Tyrosine (correct)
  • Methionine
  • Tryptophan
  • Which part of the protein molecule determines its size, shape, and electrical charge?

  • Carboxylic acid
  • Side chain (correct)
  • Hydrogen atoms
  • Amine group
  • Which organ denatures protein and cleaves peptide bonds with the help of gastric acid and pepsin?

  • Small intestine
  • Liver
  • Pancreas
  • Stomach (correct)
  • Which amino acid is a component of epinephrine and norepinephrine, and is involved in the production of melanin and thyroxine?

    <p>Tyrosine</p> Signup and view all the answers

    Which type of protein is responsible for maintaining fluid and electrolyte balance in the body?

    <p>Transport proteins</p> Signup and view all the answers

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