Understanding Proteins and Amino Acids Quiz
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Questions and Answers

What elements make up proteins?

  • Carbon, hydrogen, oxygen, nitrogen (correct)
  • Hydrogen, sulfur, nitrogen, calcium
  • Carbon, oxygen, phosphorus, nitrogen
  • Carbon, nitrogen, sodium, potassium

    • Which element is uniquely found in proteins but not in carbohydrates or fats?

  • Oxygen
  • Nitrogen (correct)
  • Sulfur
  • Phosphorus

    • What is the role of amino acids in forming proteins?

  • Act as enzymes in metabolic reactions
  • Facilitate nerve impulse transmission
  • Serve as building blocks for proteins (correct)
  • Provide energy to the body

    • Which macronutrient provides energy and is composed of nitrogen?

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

    In which of the following structures is nitrogen found?

    <p>Amino acids</p> Signup and view all the answers

    How many essential amino acids does the body need to obtain from dietary sources?

    <p>9</p> Signup and view all the answers

    What are amino acids that the body can produce on its own called?

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

    If the body is unable to create a nonessential amino acid, what category does it fall into?

    <p>Conditionally essential amino acid</p> Signup and view all the answers

    How many amino acids can the body make on its own without needing to obtain them from food sources?

    <p>11</p> Signup and view all the answers

    What happens when a nonessential amino acid becomes essential for the body?

    <p>It becomes an indispensable amino acid.</p> Signup and view all the answers

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