Digestive Enzymes

This lesson covers:

  1. Which enzymes carbohydrates, proteins and lipids, are broken down by
  2. Which products they're broken down into
  3. Which organs produce each enzyme 

is a polymer of glucose, produced by plants. 

Starch

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Starch is broken down by the enzyme into maltose molecules. These are then broken down further by into glucose. 

amylase
maltase

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Illustration of the digestive system alongside a character with a question mark, asking which organs produce amylase.

Which organs in the body produce amylase?

(Select all that apply)

Liver

Salivary glands

Pancreas

Small intestines

Stomach

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Which of the following foods are most likely to be a good source of protein?

(Select all that apply)

Nuts

Apples

Fish

Tomatoes

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Illustration showing digestive enzymes breaking down proteins into individual monomers.

Proteins are broken down by a group of enzymes called into individual monomers called . 

proteases
amino
acids

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Which two of the following are examples of protease enzymes?

Trypsin

Lipase

Pepsin

Maltase

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Illustration of the digestive system and a protease enzyme character with a question mark.

Which organs in the body produce protease enzymes?

(Select all that apply)

Stomach

Liver

Small intestines

Salivary glands

Pancreas

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What does the term 'lipids' refer to?

Fats

Oils

Fats & oils

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Lipids are broken down by enzymes, and converted into and acids. 

lipase
glycerol
fatty

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Is bile an enzyme?

Yes

No

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How does bile help with the digestion of lipids?

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Illustration of the digestive system with a question mark indicating where lipase enzymes are produced.

Which organs in the body produce lipase enzymes?

(Select all that apply)

Small intestines

Salivary glands

Stomach

Pancreas

Liver

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