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Enzymes: Catalysts in Biochemical Reactions

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Enzymes: Catalysts in Biochemical Reactions

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Questions and Answers

What is the main function of enzymes?

To function as proteins

To act as catalysts (correct)

To be consumed in biochemical reactions

To undergo denaturation reactions

Which type of enzyme is composed only of protein?

Coenzyme

Simple enzyme (correct)

Conjugated enzyme

Apoenzyme

What is the function of an oxidoreductase enzyme?

Oxidation–reduction reaction (correct)

Hydrolysis reaction

Transfer of a functional group

Addition of a water molecule

What is the function of a cofactor in an enzyme?

Provide additional chemical reactivity Signup and view all the answers

What type of reaction does a hydrolase enzyme catalyze?

Hydrolysis reaction Signup and view all the answers

Which ion is considered a typical metal ion cofactor for enzymes?

Zn2+ Signup and view all the answers

Which enzyme class catalyzes the removal of hydrogen from lactate ion?

Oxidoreductase Signup and view all the answers

How are coenzymes or co-substrates related to dietary vitamins?

They are derived from dietary vitamins Signup and view all the answers

What is the function of a transferase enzyme?

Transfer of a functional group Signup and view all the answers

What determines the nomenclature used for enzymes?

The function and substrate specificity of the enzyme Signup and view all the answers

Which enzyme type catalyzes the addition/removal of groups to form double bonds without hydrolysis or oxidation?

Lyases Signup and view all the answers

What is a common function of dehydratase and hydratase enzymes?

Removal of components of water from double bonds Signup and view all the answers