BSC2086L E.12 Chemical Digestion
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9 Terms
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catabolism
The breakdown of large macromolecules into smaller products, usually by enzymes.
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hydrolysis
• Principal reaction of catabolism in the body.
• Addition of water breaks up macromolecules.
• Addition of water breaks up macromolecules.
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Lugol’s solution
• An indicator detecting the presence of starch.
• Abbreviated IKI.
• Abbreviated IKI.
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Benedict’s reagent
An indicator detecting the presence of maltose.
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pepsin
• An enzyme of protein digestion.
• Activated by hydrochloric acid.
• Breaks peptide bonds holding amino acids of proteins together.
• Activated by hydrochloric acid.
• Breaks peptide bonds holding amino acids of proteins together.
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trypsin
• An enzyme of protein digestion.
• Hydrolyzes proteins to form small fragments.
• Hydrolyzes proteins to form small fragments.
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deglutition
• Form of mechanical digestion.
• The process of swallowing food.
• The process of swallowing food.
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peristalsis
• Form of mechanical digestion.
• The rhythmic contraction of muscles in the wall of the GI tract organs to move food through.
• The rhythmic contraction of muscles in the wall of the GI tract organs to move food through.
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segmentation
• Form of mechanical digestion.
• The contraction of circular muscles in the digestive tract to mix food with enzymes.
• The contraction of circular muscles in the digestive tract to mix food with enzymes.