DATA TYPES AND VARIABLES QUIZ

Protein portion of an enzyme when it is combined with organic molecule is termed as

holoenzyme

apoenzyme

co-enzyme

co-factors

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The active form of enzyme is

apoenzyme

coenzyme

holoenzyme

none of these

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Main function of an enzyme is to

increase the activation energy

none of these

maintain constant activation energy

decrease the activation energy

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Isozymes or iso enzymes are those enzyme which

catalyses oxidation reactions

have same structural forms

none of these

have different structural forms but identical catalytic properties

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Intracellular enzymes

only provide energy to the cell

synthesize cellular material only

synthesize cellular material and perform anabolic reaction

synthesize cellular material and perform catabolic reaction

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The inactive organic molecular portion of enzyme is

none of these

holoenzyme

apoenzyme

coenzyme

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Allosteric enzymes are

smaller than simple enzyme but not complex

smaller than simple enzyme

larger than simple enzyme

larger and more complex than simple enzyme

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Enzyme catalase has non-protein metal as

manganese

zinc

magnesium

iron

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Who coined the word enzyme first?

Kuhne

Buchner

Liebig

Pasteur

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Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

reactants

coenzymes

enzymes

substrates

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