BDS Biochem - Mar 2025 - Quiz 01

Enzymes speed up reactions by lowering:

• Substrate concentration

• Activation energy

• pH

• Temperature

The active site of an enzyme binds to:

• Cofactors

• Products

• Substrates

• Inhibitors

Competitive inhibition can be overcome by:

• Decreasing substrate

• Increasing substrate

• Decreasing pH

• Adding coenzymes

Which enzyme class catalyzes oxidation-reduction reactions?

• Hydrolases

• Oxidoreductases

• Ligases

• Isomerases

Apoenzyme refers to an enzyme without its:

• Substrate

• Cofactor

• Active site

• Protein structure