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 (B)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Hemoglobin (D)</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 (B)</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 (A)</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 (C)</p> Signup and view all the answers

What is the first step in the immune response process?

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

Which type of protein attacks antigens in the immune system?

<p>Antibodies (D)</p> Signup and view all the answers

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

<p>Carbohydrates (C)</p> Signup and view all the answers

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

<p>Complement proteins (D)</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 (A)</p> Signup and view all the answers

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