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Question: laboratory report results xercise 33 digestive system name date laboratory...

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LABORATORY REPORT RESULTS XERCISE 33 Digestive System Name Date Laboratory Section Score/Grade SECTION D Deglutition 1. Tongue movement at beginning of deglutition 2. Description of swallowing with head below pharyn 3. Laryngeal movements during pharyngeal deglutition: 4. Time lapse between two sounds of deglutition SECTION G Chemistry of Digestion 1. Digestion of Starch a. How long did it take for the starch to be digested? b. Did your observation indicate the presence of maltose? c. What is the meaning of this result? 2. Effect of Temperature on Starch Digestion d. Record the time required for starch to disappear at the temperatures tested. Boiling 0°C- 60°C -10°C What is the optimum temperature for starch digestion? e. f. What happens to amylase when it is boiled? g. Is the effect of boiling reversible or irreversible? h. Is the effect of freezing reversible or irreversible? 587
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