Enzyme Specifity MCQs Quiz Online PDF Download

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MCQs on Enzyme SpecifityQuiz PDF Download

MCQ: Most modern hypothesis about enzyme action is called

  1. Lock and key hypothesis
  2. Lock and substrate hypothesis
  3. Induced fit hypothesis
  4. Enzyme substrate hypothesis

C

MCQ: Fitting of substrate in active site is called as

  1. Hydrolysis
  2. Condensation
  3. Polymerization
  4. Lock and key hypothesis

D

MCQ: In lock and key hypothesis, substrate is the

  1. key
  2. Lock
  3. Both A and B
  4. magenta molecule

A

MCQ: All are true for enzymes but

  1. Enzymes are biological catalysts
  2. Enzymes speed up the rate of a reaction
  3. Enzymes may change chemically during the reaction
  4. Enzymes may change physically during the reaction

C

MCQ: Substrate is kept at lock positions of enzyme through temporary bonds, are made by the

  1. OH - group
  2. Carbon of the amino chain
  3. R group of amino acids
  4. none of above

C