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MCQs

Total Questions : 130 | Page 3 of 13 pages
Question 21. What is the disulfide bond?
  1.    The ionic bond between S-S
  2.    Vander Waals interaction between two S atoms
  3.    The covalent bond between sulfur atoms on two cysteine amino acids
  4.    The covalent bond between any two sulfur atoms
 Discuss Question
Answer: Option C. -> The covalent bond between sulfur atoms on two cysteine amino acids
Answer: (c).The covalent bond between sulfur atoms on two cysteine amino acids
Question 22. H bond doesn’t allow structural change.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 23. Which bond is weak and allow to be broken and reformed easily?
  1.    Disulfide bond
  2.    H bond
  3.    Hydrophobic interaction
  4.    Electrostatic bond
 Discuss Question
Answer: Option B. -> H bond
Answer: (b).H bond
Question 24. Salt bridges are which kind of bonds?
  1.    Disulfide bond
  2.    H bond
  3.    Hydrophobic interaction
  4.    Electrostatic bond
 Discuss Question
Answer: Option D. -> Electrostatic bond
Answer: (d).Electrostatic bond
Question 25. What is the strength of salt bridges?
  1.    10-15 kcal/mol
  2.    20-25 kcal/mol
  3.    17-20 kcal/mol
  4.    4-7 kcal/mol
 Discuss Question
Answer: Option D. -> 4-7 kcal/mol
Answer: (d).4-7 kcal/mol
Question 26. What is the name of the bond formed between two ions by the sharing of electrons?
  1.    Disulfide bond
  2.    H bond
  3.    Hydrophobic interaction
  4.    Covalent bond
 Discuss Question
Answer: Option D. -> Covalent bond
Answer: (d).Covalent bond
Question 27. What is the name of the bond formed between two ions by the transfer of electrons?
  1.    Disulfide bond
  2.    Ionic bond
  3.    Hydrophobic interaction
  4.    Covalent bond
 Discuss Question
Answer: Option B. -> Ionic bond
Answer: (b).Ionic bond
Question 28. What is the name of the bond formed when electrons are shared equally?
  1.    Disulfide bond
  2.    Nonpolar covalent bond
  3.    Hydrophobic interaction
  4.    Metallic bond
 Discuss Question
Answer: Option B. -> Nonpolar covalent bond
Answer: (b).Nonpolar covalent bond
Question 29. What is the name of the bond formed when electrons are shared unequally?
  1.    Polar covalent bond
  2.    Nonpolar covalent bond
  3.    Hydrophobic interaction
  4.    Metallic bond
 Discuss Question
Answer: Option A. -> Polar covalent bond
Answer: (a).Polar covalent bond
Question 30. What is the name of the bond found in metals; holds metal atoms together very strongly?
  1.    Disulfide bond
  2.    Ionic bond
  3.    Hydrophobic interaction
  4.    Metallic bond
 Discuss Question
Answer: Option D. -> Metallic bond
Answer: (d).Metallic bond

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