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7. Why are enzymes called catalysts? 8. State the function of the rectum. |
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Answer» Explanation:The Role of Enzymes in the Digestive System. Chemical DIGESTION could not take PLACE without the help of digestive enzymes. An ENZYME is a PROTEIN that speeds up chemical reactions in the BODY. Digestive enzymes speed up chemical reactions that break down large food molecules into small molecules. |
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