17 Digestion - Student.pdf - haspi

Name: __________________________________________ Date: ___________ Period: _________
Review Questions - on a separate sheet of paper complete the following
1. What is the function of the digestive system?
2. What is the role of the liver and pancreas?
3. What is the responsibility of the gallbladder? How
do you think having the gallbladder removed will
affect digestion?
4. What is an enzyme?
5. Explain the function and location of the following
enzymes: amylase, pepsin, trypsin, and lipase.
6. Diagram A shows the rate of enzyme activity of
digestive enzymes – amylase, pepsin, and trypsin –
in a variety of pH. Using the knowledge of what you
learned during this lab, identify which enzyme is most
like A, B, and C in the graph. Explain your answer.
7. What effect does cooking have on enzyme activity? Why?
8. Why does freezing food preserve it?
9. What is the role of bile in digestion?
10. The polymer of protein is _______, and the monomer is ________.
Diagram A
http://mshuda.files.wordpress.com/2010/04/digestiv
e-enzymes-ph.jpg
11. Why does the body need proteins, and from what food sources can they be obtained?
12. The polymer of carbohydrates is _______, and the monomer is _________.
13. Why does the body need carbohydrates, and from what food sources can they be obtained?
14. The polymer of lipids is _______, and the monomer is ________.
15. Why does the body need lipids, and from what food sources can they be obtained?
16. Based on what you learned about digestion, explain why it is important to eat a variety of foods
to nourish your cells.
On the attached digestive system diagram, label the following:
17. Mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, liver,
gallbladder, pancreas.
18. Areas where the following occur; carbohydrate digestion, protein digestion, lipid digestion.
19. Area where absorption of nutrients occurs.
20. Area where water is reabsorbed.
Adapted from Neo/Sci Food Digestion Lab Activity 2011 241