Amino Acids and pH Balance
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Questions and Answers

Which functional groups are present in an amino acid?

  • Hydroxyl group and carbonyl group
  • Carboxyl group and carbonyl group
  • Carboxyl group and amino group (correct)
  • Amino group and hydroxyl group

    • What is the role of amino acids in pH balance?

  • They have no effect on the H+ concentration within cells
  • They increase the H+ concentration within cells
  • They buffer the H+ concentration within cells (correct)
  • They decrease the H+ concentration within cells

    • How many proteinogenic amino acids are there?

  • 20
  • 18
  • 21 (correct)
  • 19

    • What is the difference between essential and non-essential amino acids?

    <p>Essential amino acids cannot be synthesized in the body, while non-essential amino acids can be</p> Signup and view all the answers

    What is the difference between D- and L-amino acids?

    <p>They differ in their spatial arrangement</p> Signup and view all the answers

    Which of the following is true about amino acids?

    <p>Amino acids contain a carboxyl group and an amino group bonded to the central carbon.</p> Signup and view all the answers

    Which type of amino acids cannot be synthesized in the body?

    <p>Essential amino acids</p> Signup and view all the answers

    What is the role of amino acids in pH balance?

    <p>Amino acids act as buffers to maintain a stable pH.</p> Signup and view all the answers

    What is the difference between D- and L-amino acids?

    <p>D-amino acids have a different spatial arrangement than L-amino acids.</p> Signup and view all the answers

    What is the significance of selenocysteine in amino acids?

    <p>Selenocysteine is a tracemineral.</p> Signup and view all the answers

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