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9 Cards in this Set
- Front
- Back
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What is the process of food being broken down into its 'building blocks'?
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Digestion
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What are the four digestive molecules?
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-Sugar
-Fatty acids -Glycerol -Amino acids |
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What are the biological catalysts that speed up digestion?
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Enzymes
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Where are the 'biological catalysts' made and where do they go?
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The enzymes are made by the tissue and glands in the gut and are passed out of cells onto the gut contents, where they can act upon the food.
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What is involved in mechanical digestion?
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-Chewing
-Contraction of muscles in the stomach (Peristalsis) |
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What is involved in chemical digestion?
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Enzymes breaking down the food
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What are the three classes of enzyme?
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-Carbohydrases
-Lipases -Proteases |
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What is the source of carboydrase
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-Salivary glands- Amylase
-Pancreas- Amylase -Wall of small intestine- Maltose |
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Where does carbohydrase act in the gut?
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Amylase acts both in the mouth and small intestine but maltase acts only in the small intestine.
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