Unit 1 Study Guide
Niehoff 2015
Name:
1. When eating a hamburger, what part of the hamburger is digested in the
mouth?
2. Why can you still swallow upside down?
3. When stomach contents moves back into the esophagus, a person has
“heartburn.” Why does the content of the stomach cause a burning
sensation?
4. If the enzyme nuclease was removed from your body, what could you not
break down and how would that affect the cells in your body?
5. If the enzyme amylase was removed from your body, what could you not
break down and how would that affect the cells in your body?
6. What is the purpose of enzymes?
7. Why is the enzyme catalase important to living things?
8. If the temperature of a solution is increased, what happens to the speed of
the molecules?
9. When an individual has diarrhea, why do they become dehydrated? What
causes diarrhea?
10. What is the purpose of the digestive system?
11. What makes up all the organs in the digestive system?
12. If you wanted to extract DNA from a cell, where would you look for DNA?
13. What is the purpose of hydrochloric acid in the digestive process?
14. What is the purpose of the cell membrane?
15. Why is the “NO carb” diet a bad thing?
16. Some people are lactose intolerant, meaing they don’t have the enzyme to
break down lactose. Based on this information. Is lactose a complex
molecule or simple molecule?
17. Why is the phrase “you are what you eat” biologically correct?
18. If all things are made of cells, why don’t all living things look the same?
19. Why do we need to eat?
20. Why does our stomach make growling noises when we are hungry?
21. Why do athletes drink protein shakes after a hard workout?
22. Why do chemical reactions occur faster when the temperature is increased?
23. What will happen to the reaction rate if more enzymes are used?