IGCSE A Level Biology MCQs – Practice Test 2 (Chapter 6)

Enzymes MCQ with Answers PDF Download – Test 2

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The MCQ: Purpose of Hydrophilic R group is to; "Enzymes" App (Android, iOS) with answers: add the stability of the enzyme, prevent the enzyme from being denatured at higher temperatures, ensure that they are soluble, and help protein molecule coil in three dimensional space to learn IGCSE GCE certificate courses. Practice Infectious & non-infectious Diseases Quiz Questions, download Apple Book (Free Chapter) for free online classes.

Enzymes MCQ with Answers PDF Download: Quiz 2

MCQ 6: The purpose of Hydrophilic R group is to:

prevent the enzyme from being denatured at higher temperatures
add the stability of the enzyme
ensure that they are soluble
help protein molecule coil in three dimensional space

MCQ 7: The fitting of the substrate in the active site is called:

hydrolysis
condensation
polymerization
lock and key hypothesis

MCQ 8: Conversion of hydrogen peroxide (H₂O₂) to water (H₂O) and oxygen (O₂) is carried out by:

bile
catalase
fructose
none of others

MCQ 9: Very low temperatures make the enzyme:

hyperactive
freeze
dissolve in water
inactive

MCQ 10: Enzyme action depends upon:

active site
available site
recognizable site
detachable site

IGCSE A Level Biology Notes App & e-Book – Enzymes Exam Prep

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