Proteins and Amino Acids Overview
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Questions and Answers

What elements make up protein molecules?

  • Carbon, hydrogen, oxygen, nitrogen (correct)
  • Carbon, hydrogen, sulfur, nitrogen
  • Carbon, oxygen, nitrogen, phosphorus
  • Carbon, nitrogen, oxygen, iron
  • Which macronutrient does not contain nitrogen in its molecular structure?

  • Fats (correct)
  • Carbohydrates
  • Vitamins
  • Protein
  • What are the building blocks that form proteins known as?

  • Monosaccharides
  • Nucleotides
  • Fatty acids
  • Amino acids (correct)
  • Which element is unique to protein when compared to carbohydrates and fats?

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

    What is the primary role of amino acids in the human body?

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

    What is the term used for amino acids that the body cannot produce and must be obtained from food?

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

    If a body is unable to create a nonessential amino acid, what does it become known as?

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

    How many amino acids can the body synthesize on its own without the need to obtain them from food?

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

    Which term is used to describe amino acids that the body can produce internally and are not required from the diet?

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

    In what circumstances does a nonessential amino acid become essential and require dietary intake?

    <p>When the body is under stress or illness</p> Signup and view all the answers

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