Amino acids
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Questions and Answers

What are amino acids?

  • Organic compounds with both acidic carboxyl and basic amino groups (correct)
  • Organic compounds with neither acidic carboxyl nor basic amino groups
  • Organic compounds with basic amino groups
  • Organic compounds with acidic carboxyl groups

    • Which of the following is NOT a physical characteristic used to characterize amino acids?

  • The dissociation constant of the various titratable groups
  • The molecular weight (correct)
  • The isoelectric point
  • Optical rotation

    • What are amino acids?

  • Organic compounds with both acidic carboxyl and basic amino groups (correct)
  • Organic compounds with neither acidic carboxyl nor basic amino groups
  • Organic compounds with basic amino groups
  • Organic compounds with acidic carboxyl groups

    • Which of the following is NOT a physical characteristic used to characterize amino acids?

    <p>The molecular weight</p> Signup and view all the answers

    How many amino acids are the building blocks for proteins?

    <p>Approximately 20</p> Signup and view all the answers

    How many amino acids are the building blocks for proteins?

    <p>20</p> Signup and view all the answers

    How many amino acids are the building blocks for proteins?

    <p>20</p> Signup and view all the answers

    How many amino acids are the building blocks for proteins?

    <p>Approximately 20</p> Signup and view all the answers

    What is the function of amino acids in living organisms?

    <p>To form polypeptides</p> Signup and view all the answers

    What is the function of amino acids in living organisms?

    <p>To form polypeptides</p> Signup and view all the answers

    Why must cells be able to synthesize certain amino acids?

    <p>To obtain essential amino acids that cannot be obtained from the environment</p> Signup and view all the answers

    Why must cells be able to synthesize certain amino acids?

    <p>To obtain essential amino acids that cannot be obtained from the environment</p> Signup and view all the answers

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