Did the enzyme work cracker water sucrose solution 1

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Did the enzyme work? Cracker + water Sucrose solution 1 Whole milk Sucrose solution 2 1. What are enzymes? 2. What are the four main categories of enzymes, and what type of molecules do they break down? Enzyme Substrate 3. Amylase breaks down ____________________ into ______________________. 4. Lactase breaks down __________________ into ___________________ and ___________________. 5. Which Petri dish (cracker or sugar) demonstrated positive iodine reaction for starch and why? 6. Which test tube(s) tested positive for glucose at the end of the experiment? Why or why not? Think about the specificity of the enzymes amylase and lactase in formulating your answer for the test tube.
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Enzyme Lab Name:_________________________________ 7. Which test tube(s) tested negative for glucose at the end of the experiment? Why or why not? Think about the specificity of the enzymes amylase and lactase in formulating your answer for the test tube. PART II: Histology of the Digestive System Examine the histological structure of the alimentary canal (GI tract) by examining the prepared slides of the following and make a labeled, color drawing of each on the page provided. salivary glands (choose one) stomach duodenum large intestine liver pancreas PART III: Organs of the Digestive System Using the textbook and your notes, identify the organs indicated in the figure at right (1 through 12). Name a function of each in the space at the left. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
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Enzyme Lab Name:_________________________________
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