Download Photosynthesis

NAME _____________________________ PERIOD ____________
STUDY GUIDE CHAPTERS 7 & 8:
PHOTOSYNTHESIS AND RESPIRATION
Part I: The Need for Energy
1. Give three reasons why cells need energy:
1: ______________________________________
2: ______________________________________
3: ______________________________________
2. Trace the pathway of energy from the sun to the cell.
3. Define the terms photosynthesis and respiration.
Photosynthesis:
Respiration:
4. What is the difference between heterotrophs and autotrophs?
5. Write the chemical equation for photosynthesis:
_________ + ____________  ___________ + ___________
6. Write the chemical equation for cellular respiration:
_________ + ____________  ___________ + ___________
7. What is the relationship between #5 & #6?
8. What is the name of the molecule that cells use for energy?
9. When ATP loses one phosphate group, what molecule is created?
What is released when this happens?
Part II: Cellular Respiration – CHAPTER 7
12. What are the two types of cellular respiration, and what substance
determines which type it is?
13. __________________occurs before either pathway of respiration,
and it takes place in the _______________________ of the cell. It
produces _______________________ and ___________________.
14.
Anaerobic respiration is also called _________________________.
15. What is the difference between lactic acid fermentation and
alcoholic fermentation?
16.
Where does aerobic respiration occur? ______________________
17. The three stages of aerobic respiration are 1) an intermediate step,
2) the ________________cycle and 3) the ______________
_______________ _____________.
18. The total amount of ATP’s produced during aerobic respiration is
________.
19.
Why do we need oxygen in order to live?
Part III: Photosynthesis – CHAPTER 8
10.
What is the role of chlorophyll in photosynthesis?
11. In which cell part does photosynthesis occur? _________________
12.
Where in the chloroplast do the light reactions take place?
___________________
20.
What happens in the light reactions of photosynthesis?
21.
Where in the chloroplast do the light-independent reactions occur?
________________________
22. What is another name for these reactions? _________________
Cycle.
23.
What happens in the light-independent reactions?
24. For the following equation for photosynthesis, put a square around
those reactants/products involved in the light reactions, and a circle
around those reactants/products involved in the dark (light-independent
reactions).
6CO2 +
6H2O
chlorophyll
light energy
C6H12O6 + 6O2
PHOTOSYNTHESIS, RESPIRATION OR BOTH? (Put P, R, or B beside
each of the following statements)
_______ 25. Occurs in plant cells
_______ 34. Breaks down glucose
_______ 26. Occurs in animal cells
_______ 35. Produces ethyl alcohol when no oxygen present
_______ 27. Calvin Cycle
_______ 36. Involves chlorophyll
_______ 28. Krebs Cycle
_______ 37. Produces energy
_______ 29. Produces glucose
_______ 38. Occurs in mitochondria
_______ 30. “Splits” water
_______ 39. Produces oxygen
_______ 31. Produces Lactic Acid when no oxygen present
_______ 40. Produces carbon dioxide
_______ 32. Converts solar energy into cellular energy
_______ 33. Occurs in chloroplasts