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Chemical and Mechanical digestion

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Bianca Amisola

on 19 February 2013

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Transcript of Chemical and Mechanical digestion

DIGESTION The process of breaking down food particles food molecules Objectives: [ ] differentiate mechanical and chemical digestion [ ] describe the process of digestion including the role of enzymes [ ] describe the stages of a simple digestion process exhibited by Paramecla x x x 1. Mechanical digestion 10ml starch solution stirring rod iodine solution Mechanical digestion 2. Chemical digestion Chemical digestion of starch with salivary amylase Digestion in Paramecium Chemical digestion of proteins (gelatin) 1% soluble starch 1ml saline solution 1ml mouth rinse Saline vs. Salivary Amylase 1ml isotonic saline 1ml pineapple juice Saline vs. Pineapple Juice RED vs. Blue Macerated vs. Non-macerated
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