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PROTEINS MCQs

Total Questions : 24 | Page 2 of 3 pages
Question 11. What is the main function of protein in the body?
  1.    Is the main source of energy for the body
  2.    Helps to build and repair body tissue
  3.    Provide warmth and cushioning to the body's organs
  4.    All of the above are roles of protein in the body
 Discuss Question
Answer: Option B. -> Helps to build and repair body tissue
Question 12. When should you eat protein?
  1.    Once a day
  2.    Throughout the day
  3.    Once a month
  4.    Once a week
 Discuss Question
Answer: Option B. -> Throughout the day
Question 13. Which statement about enzymes is FALSE?
  1.    They are made from amino acids
  2.    They can be used multiple times
  3.    They lower the energy needed for reactions
  4.    A single enzyme has many different functions
 Discuss Question
Answer: Option D. -> A single enzyme has many different functions
Question 14. The polymer which folds into proteins
  1.    Polypeptide
  2.    Amino Acids
  3.    Nucleic Acids
  4.    Polynucleotides
 Discuss Question
Answer: Option A. -> Polypeptide
Question 15. What elements make up amino acids?
  1.    Carbon, hydrogen and oxygen only
  2.    Carbon, hydrogen, oxygen and nitrogen only
  3.    Carbon, hydrogen and phosphorus only
  4.    Carbon, hydrogen, nitrogen and oxygen; and sometimes also sulfur
 Discuss Question
Answer: Option D. -> Carbon, hydrogen, nitrogen and oxygen; and sometimes also sulfur
Question 16. What does an amino acid look like?
  1.    It's a central carbon with two different groups attached.
  2.    It's a central carbon with three different groups attached.
  3.    It's a central carbon with four different groups attached.
  4.    It's a central carbon with five different groups attached.
 Discuss Question
Answer: Option C. -> It's a central carbon with four different groups attached.
Question 17. What is an example of a protein?
  1.    Strawberries
  2.    Bread
  3.    Pasta
  4.    Steak
 Discuss Question
Answer: Option D. -> Steak
Question 18. What are the monomers of proteins?
  1.    triglycerides
  2.    monosaccharides
  3.    nucleotides
  4.    amino acids
 Discuss Question
Answer: Option D. -> amino acids
Question 19. The monomers of DNA and RNA are
  1.    nucleotides
  2.    nucleic acids
  3.    amino acids
  4.    monosaccharides
 Discuss Question
Answer: Option A. -> nucleotides
Question 20. DNA and RNA are what type of macromolecule?
  1.    lipids
  2.    nucleic acids
  3.    carbohydrates
  4.    enzymes
 Discuss Question
Answer: Option B. -> nucleic acids

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