BI-684
Digestive enzymes
Biology · Secondary 3 · Medium · Digestive enzymes
During digestion, large starch molecules are broken down into glucose. Why must this digestion occur before absorption in the small intestine?
- Starch is poisonous unless changed into glucose.
- Starch is too large and insoluble to pass through the intestinal wall.
- Glucose is needed so that water can be absorbed.
- Starch cannot mix with blood but glucose can mix with fat.
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