Digestive Enzymes

What is another name for enzymes?

• chemical catalyst

• microorganism

• biological catalyst

• catalyst

Tags

NGSS.MS-LS1-7

Write down ONE place in the body where digestive enzymes are made (make sure you spell it correctly!)

How do enzymes help digestion?

• They break large molecules into smaller ones.

• They join small molecules together.

• They pull molecules together.

• They eat large molecules.

Tags

NGSS.MS-LS1-7

Select the correct definition of a enzyme.

• A protein which slows down reactions.

• A protein which speeds up reactions.

• A protein which blocks reactions.

• A protein which delays reactions.

Tags

NGSS.MS-LS1-7

Select the enzyme which breaks down protein.

• Protease

• Lipase

• Carbohydrase

• Amylase

Select the enzyme which breaks down lipids (fats).

• Protease

• Lipase

• Carbohydrase

• Amylase

Select the enzyme which breaks down carbohydrates.

• Protease

• Lipase

• Carbohydrase

• Amylase

Select the enzyme which breaks down starch.

• Protease

• Lipase

• Carbohydrase

• Amylase

Suggest why enzymes can't work at high temperatures.

• They melt.

• They feel hot.

• They are destroyed.

• They migrate.

Which enzyme is responsible for breaking down proteins in the stomach?

• Amylase

• Lipase

• Protease

• Lactase