Proteins Overview
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Questions and Answers

Which chemical bond is responsible for joining amino acids to form a polypeptide chain?

  • Covalent bond
  • Ionic bond
  • Peptide bond (correct)
  • Hydrogen bond
  • Which protein is responsible for cell shape and providing support to structures like hair, skin, and bones?

  • Hemoglobin
  • Insulin
  • Keratin
  • Collagen (correct)
  • What is the main function of hemoglobin in the body?

  • Transporting oxygen (correct)
  • Regulating metabolism
  • Balancing fluids
  • Assisting with immunity
  • Which protein helps in maintaining fluid balance in the body by attracting and retaining water in the blood?

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

    What type of protein accelerates the rate of chemical reactions in the body, including digestion and DNA replication?

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

    What is the primary function of proteins as described in the text?

    <p>Regulating body processes</p> Signup and view all the answers

    Which protein is responsible for carrying oxygen around the human body?

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

    What is the main function of enzymes among the types of proteins mentioned in the text?

    <p>Speeding up chemical reactions</p> Signup and view all the answers

    Which protein type is most abundant in the human body and provides strength and structure to bones, muscles, and skin?

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

    Which type of protein is responsible for making up hair, skin, and nails, providing structure and protection from damage?

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

    What is the first step in the immune response process?

    <p>Detect foreign invaders</p> Signup and view all the answers

    Which type of protein attacks antigens in the immune system?

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

    What is the primary source of energy in the human body?

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

    Which protein is involved in inducing inflammatory responses and fighting infections?

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

    What happens when the human body lacks an adequate supply of carbohydrates or fats?

    <p>The body breaks down proteins to provide energy</p> Signup and view all the answers

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