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IGCSE A Level Biology Exam MCQs – Practice Test 4 (Chapter 6)

Enzymes Notes Questions with Answers PDF Download – Test 4

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Study Enzymes Notes Questios and Answers PDF for biology test preparation. Download the Enzymes Quiz Answers PDF e-Book, Ch. 6-4 to study IGCSE A Level Biology Course. Solve Enzymes MCQs, Enzymes quiz answers PDF for biology test preparation. Download the Enzymes Notes App: Free IGCSE A Level Biology Learning App to learn structure of enzymes, gcse a levels biology career test to strengthen test readiness.

Free Enzymes Notes App Download: "For enzyme activity in the human body, the optimum temperature is"; MCQ with answers: 34c, 37c, 33c, and 32c. Practice GCSE A Levels Biology Quiz Questions, download Kobo e-Book (Free Chapter) for biology test preparation.

Enzymes Test Questions and Answers PDF Download: MCQ 4

MCQ 16: For enzyme activity in the human body, the optimum temperature is:

  1. 37c
  2. 34c
  3. 33c
  4. 32c

MCQ 17: A cofactor and a polypeptide chain co-exist in an activated enzyme called as:

  1. cofactor
  2. holoenzyme
  3. apoenzyme
  4. catalyst

MCQ 18: Lock and Key model was developed for the visualization of substrate and enzyme concentration was proposed by:

  1. Emil Fischer
  2. F. Sanger
  3. Erwin Chargaff
  4. Edward

MCQ 19: Denatured protein enzymes are but:

  1. more soluble
  2. low coagulation
  3. easily affected by acids and alkaline substances
  4. sparingly insoluble

MCQ 20: The hydrophilic R group is found in the:

  1. enzyme
  2. hormones
  3. glands
  4. maltose

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