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IGCSE A Level Biology Certification Exam Tests

IGCSE A Level Biology Practice Test 45

Enzymes Quiz Questions and Answers PDF - 45

The Enzymes Quiz Questions and Answers PDF, Enzymes Quiz with Answers PDF Download e-Book Ch. 6-45 to prepare IGCSE A Level Biology Practice Tests. Solve Enzymes MCQ with answers PDF, Enzymes Multiple Choice Questions (MCQ Quiz) for best accredited online colleges. The Enzymes Quiz App Download: Free learning app for enzymes, molecular biology and biochemistry, structure of enzymes, mammalian heart, homeostasis, receptors and effectors test prep for colleges offering online degree programs.

The Quiz: Lock and Key model was developed for visualization of substrate and enzyme concentration was proposed by; "Enzymes" App Download (Free) with answers: F. Sanger; Emil Fischer; Erwin Chargaff; Edward; for best accredited online colleges. Learn Enzymes Questions and Answers, Apple eBook to download free sample to learn distance learning courses.

Enzymes Questions and Answers PDF Download: Quiz 45

MCQ 221:

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 222:

The size of cellulose fiber is nearly

  1. 60 nm
  2. 20 nm
  3. 50 nm
  4. 30 nm
MCQ 223:

Denatured protein enzymes are but

  1. more soluble
  2. low coagulation
  3. easily affected by acids and alkaline substances
  4. sparingly insoluble
MCQ 224:

Semilunar valves are found in

  1. aorta
  2. arteries
  3. veins
  4. pulmonary artery
MCQ 225:

Immense damage can be caused by ammonia in

  1. aquatic animals
  2. terrestrial animals
  3. desert habitat
  4. moist habitat

IGCSE A Level Biology Exam Prep Tests

Enzymes Learning App: Free Download Android & iOS

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Enzymes App (Android & iOS)

Enzymes App (Android & iOS)

A level Biology App (Android & iOS)

A level Biology App (iOS & Android)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

Zoology App (Android & iOS)

Zoology App (iOS & Android)