Enzymes play a very important role in animal digestion because they break down complex food into simple, absorbable substances.
Main Roles of Enzymes
- Break down food (chemical digestion)
- Food like carbohydrates, proteins, and fats are too large to absorb.
- Enzymes convert them into smaller molecules.
- Speed up digestion
- Without enzymes, digestion would be extremely slow.
- They act as biological catalysts (increase reaction rate).
- Specific action
- Each enzyme works on a specific type of food (lock-and-key mechanism).
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