Proenzyme & Cofactors MCQ

Test your knowledge with important Proenzyme & Cofactors MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Proenzyme & Cofactors MCQs on Bissoy. Bissoy App

• Coenzyme A: Acyl carrier:: Methylcobalamin: _____________
  ক

  Transketolase reaction

  খ

  Isomerization

  গ

  Carboxylation reaction

  ঘ

  Carrier of one carbon group
• Which of the following enzymes do not use Fe2+ or Fe3+ ions as cofactors?
  ক

  Cytochrome oxidase

  খ

  Dinitrogenase

  গ

  Catalase

  ঘ

  Peroxidase
• Which of the following is not an enzyme?
  ক

  Ribonucleotide reductase

  খ

  Selenium

  গ

  Glutathione peroxidase

  ঘ

  Carbonic anhydrase
• Copper: Cytochrome oxidase:: Potassium: _________
  ক

  Arginase

  খ

  Propionyl CoA carboxylase

  গ

  Dintrogenase

  ঘ

  Catalase
• Additional non protein chemical component required for optimum activity of enzymes is referred to as ___________
  ক

  coenzymes

  খ

  holoenzyme

  গ

  cofactors

  ঘ

  isoenzyme
• Chymotrypsinogen: Chymotrypsin:: Pepsinogen: _____________
  ক

  Pepsin

  খ

  Trypsin

  গ

  Carboxypeptidase

  ঘ

  Thrombin
• Which of the following is not a proenzyme?
  ক

  Prothrombin

  খ

  Pepsinogen

  গ

  Trypsin

  ঘ

  Trypsinogen
• Which of the following coenzyme does not function as a redox reaction?
  ক

  Flavin adenine nucleotide

  খ

  Deoxyadenosylcobalamin

  গ

  Nicotinamide adenine dinucleotide

  ঘ

  Flavin mononucleotide
• Which of the following is not a function of coenzyme-pyridoxal phosphate?
  ক

  Transamination

  খ

  Redox reaction

  গ

  Deamination

  ঘ

  Decarboxylation
• Which of the following enzymes do not use Zn2+ ions as cofactors?
  ক

  Carbonic anhydrase

  খ

  Propionyl CoA carboxylase

  গ

  Alcohol dehydrogenase

  ঘ

  Carboxypeptidase A
• Which of the following enzymes do not use Mg2+ ions as cofactors?
  ক

  Hexokinase

  খ

  Pyruvate kinase

  গ

  Glutathione peroxidase

  ঘ

  Glucose-6-phosphatase
• Which of these is not a cofactor?
  ক

  Folic acid

  খ

  Nickel

  গ

  Biotin

  ঘ

  Coenzyme A
• Trypsin is used to activate __________ to form chymotrypsin.
  ক

  pepsinogen

  খ

  trypsinogen

  গ

  chymotrypsinogen

  ঘ

  prothrombin
• Enzymes which are present in inactive and need to cleaved in order to be activated are referred to as __________
  ক

  cofactors

  খ

  coenzymes

  গ

  isoenzyme

  ঘ

  proenzyme