Benedicts Reagent Hydrolysis

Description

1. What kind of reaction adds water to break large biomolecules into subunits?_________undefined

2. What kind of protein is lactase, the biomolecule that speeds up the breakdown of lactose?___________undefined

3. What kind of bond forms during a dehydration synthesis reaction involving two amino acids?_____________undefined

4. If maltose undergoes hydrolysis, what subunits result?_________________undefined

5. As what molecule do plants store glucose?_____________undefined

6. If starch is present, what color will the iodine turn?_______________undefined

7. If a solution contains a large amount of glucose, what color will the Benedict’s reagent become?_______________undefined

8. What kinds of biomolecules are insoluble in water but soluble in alcohol or ether?___________undefined

9. If two fatty acids, glycerol, and a phosphate group undergo a dehydration reaction, what biomolecule forms?______________undefined

10. What is the name used for plant fats?______________undefined

11. What must be present to successfully break down fats during digestion?___________undefined

12. If you test an unknown substance with the biuret reagent and it turns purple, what is present?________undefined

13. If you test a sample of potato with the biuret reagent, what do you expect the results to be?_____________undefined

14. If you want to test a sample to see if glucose is present, what reagent should you use?_________________undefined

Thought Questionsundefined

15. If amylase is added to a sample of potato and you test it with the Benedict’s reagent 10minutes later, what do you expect the results of the test to be? Justify your reply.____________________________________________________________________________________________________________________________________________________undefined

16. After enjoying a meal of fish and chips, you notice your shirt has an oily stain on it. Why won’t the oily stain come out when you dab at it with just water?______________________________________________________________________________________________________________________________________________________undefined

17. If the sample of water you test with biuret reagent turns purple, what should you conclude about the results of your experiment? Explain.__