Enzymes

What is a protein catalyst that permits chemical reactions in the body?

• Enzyme

• Substrate

• Active site

• Cofactor

What is a molecule on which an enzyme works?

• Enzyme

• Substrate

• Active site

• Cofactor

What is the area of an enzyme that combines with the substrate?

• Enzyme

• Substrate

• Active site

• Cofactor

What is an organic molecule that helps an enzyme combine with a substrate molecule?

• Catalyst

• Coenzyme

• Active site

• Cofactor

What is an inorganic molecule that helps an enzyme combine with a substrate molecule?

• Catalyst

• Coenzyme

• Active site

• Cofactor

Which of the letters represents the enzyme?

• a

• b

• c

• d

Which of the letters represents the active site?

• a

• b

• c

• d

Which of the letters represents the substrate?

• a

• b

• c

• d

Which of the letters represents the substrate products?

• a

• b

• c

• d

Which of the following DO NOT affect reaction rates of enzymes?

• pH

• Substrate molecule concentration

• Temperature

• Pressure