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MCQs

Total Questions : 15 | Page 2 of 2 pages
Question 11. . The four subunits of the hemoglobin (Hb) gene represent protein's
  1.    primary structure
  2.    secondary structure
  3.    tertiary structure
  4.    quaternary structure
 Discuss Question
Answer: Option D. -> quaternary structure
Question 12. . Protein folding is
  1.    automatic, mediated by the protein itself
  2.    mediated by other proteins called chaperones
  3.    mediated by the ribosomes
  4.    none of the above
 Discuss Question
Answer: Option B. -> mediated by other proteins called chaperones
Question 13. . Over 50% of common cancers are associated with damage to a protein, p53. This protein
  1.    is a cyclin
  2.    is a tumor supressor
  3.    is an oncogene
  4.    regulates apoptosis
 Discuss Question
Answer: Option B. -> is a tumor supressor
Question 14. . The four subunits of the hemoglobin (Hb) gene represent protein's
  1.    primary structure
  2.    secondary structure
  3.    tertiary structure
  4.    quaternary structure
 Discuss Question
Answer: Option D. -> quaternary structure
Question 15. . Sickle cell disease is due to
  1.    a mutation in the beta chain of Hb
  2.    a mutation in the alpha chain of Hb
  3.    infection with a parasite
  4.    none of the above
 Discuss Question
Answer: Option A. -> a mutation in the beta chain of Hb

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