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MCQs

Total Questions : 219 | Page 5 of 22 pages
Question 41. Which of the following are responsible virtually for every reaction that takes place inside a cell?
  1.    Carbohydrates
  2.    ADP
  3.    Nucleic acids
  4.    Enzymes
 Discuss Question
Answer: Option A. -> Carbohydrates
Answer: (a).Carbohydrates
Question 42. What will happen if heat is applied to an enzyme mediated reaction?
  1.    Rate will increase
  2.    pH will increase
  3.    pH will decrease
  4.    Denaturation of enzyme
 Discuss Question
Answer: Option A. -> Rate will increase
Answer: (a).Rate will increase
Question 43. Enzymes have no effect on which of the following, in a chemical reaction?
  1.    activation energy
  2.    speed
  3.    thermodynamics
  4.    completion time
 Discuss Question
Answer: Option C. -> thermodynamics
Answer: (c).thermodynamics
Question 44. The non-protein constituents of conjugated proteins are called ___________
  1.    enzymes
  2.    cofactors
  3.    amino acids
  4.    nucleosides
 Discuss Question
Answer: Option B. -> cofactors
Answer: (b).cofactors
Question 45. Protein catalysts are called __________ and RNA catalysts are called _____________
  1.    enzymes, ribozymes
  2.    ribozymes, enzymes
  3.    enzymes, ribosomes
  4.    ribosomes, enzymes
 Discuss Question
Answer: Option A. -> enzymes, ribozymes
Answer: (a).enzymes, ribozymes
Question 46. Catabolic pathways result in _______________ of the molecules.
  1.    assembly
  2.    functionalization
  3.    conformation
  4.    disassembly
 Discuss Question
Answer: Option D. -> disassembly
Answer: (d).disassembly
Question 47. Energy released by catabolic pathways is stored in how many forms?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 48. How many molecules of ATP are formed per molecule of oxidation of glucose?
  1.    12
  2.    24
  3.    36
  4.    48
 Discuss Question
Answer: Option C. -> 36
Answer: (c).36
Question 49. Anabolic pathways are energy-requiring.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 50. The TCA cycle occurs in which region of a prokaryotic cell?
  1.    cytosol
  2.    mitochondria
  3.    ribsomes
  4.    golgi complex
 Discuss Question
Answer: Option A. -> cytosol
Answer: (a).cytosol

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