Enzymes

What is an enzyme?

• It is a biological catalyst.

• It is a biological monomer.

What is a catalyst?

• It is a substance that speeds up the rate of reactions.

• It is a substance that makes chemical reactions safe for humans.

Enzymes are ...

• Carbohydrates

• Lipids

• Proteins

How many enzymes does one cell contain?

• 5

• 12

• Hundreds

Where are enzymes created?

• In the cytoplasm

• In the nucleus

• In the mitochondria

Where do enzymes do their work?

• Nucleus

• Cytoplasm

• Mitochondria

The chemical reactions that take place in a cell are known as ...

• metabolic reactions

• anabolic reactions

• catabolic reactions

Which reaction builds molecules?

• Anabolic reaction

• Catabolic reaction

Which reactions breaks down molecules?

• Anabolic reaction

• Catabolic reaction

Digestive enzymes are ...

• Intracellular

• Extracellular