1. Photosynthesis and Cell Respiration
Unit 5
Photosynthesis and Cell Respiration

2. 1. What organelle does photosynthesis occur in?
chloroplasts

3. 2. Where in the leaves does photosynthesis occur?
Cell

4. 3. What is required for this process to occur?
Light (dependent)

5. 4. What is the space inside the chloroplast?
stroma

6. 5. Where is the chlorophyll located?
Thykaloid discs for light dependent
reaction

7. Chlorophyll in the Thylakoid discs
6.What chemical absorbs light?
Chlorophyll in the Thylakoid discs

8. 7.What is the only color that the chlorophyll does NOT absorb?
Green because it is reflected

9. 8. What color do we see & why?
Green because it is reflected.

10. 9. In the light dependent section, what comes in and what is released?
( H2O is converted to O2)

11. -NADPH (electron carriers)
10. What two molecules are transferred to the next process?
-ATP (energy)
-NADPH (electron carriers)

12. 11. What energizes the electrons in the electron transport chain?
light

13. 12. What carries the high-energy electrons to the next process?
NADPH

14. 13. What is energy called in this process?
ATP

15. 14. Light dependent process makes a lot of energy, what is the down side of this process?
Energy is not stable enough to store for more than a few minutes

16. 15.What is not required in the Calvin Cycle
process?
Light (independent)

17. 16. What is the purpose of the Calvin Cycle?
Use NADPH & ATP from light reaction with carbon dioxide to make high-energy sugar for storage

18. 17. What is the other name for the light independent reaction?
Calvin Cycle

19. 18. Where in the chloroplast does the light independent
cycle occur?
Stroma

20. 19. Why does the cycle have to go around 6 times?
To pick up 6 carbons

21. 20. Who uses the sugar/glucose?
The plants and those that consume
the plant for energy

22. 21. Write out the formula.
6CO2 + 6H2O+ (sunlight) = C6H12O6 + 6O2

23. 22. Write out the formula in word form (include # of molecules).
6 carbon dioxide +6 water with sunlight=1 glucose+6oxygen

24. 23.What is stored glucose called (from the movie notes)?
starch

25. 24. What 3 things affect the rate?
-temperature
-water
-intensity of light

26. 25. What is the location where most of the chloroplast are located?
mesophyll

27. 26. What is the vascular system that brings water up from the roots?
xylem

28. 27. What part of the vascular system carries sugar and nutrients?
phloem

29. 28. What is the waxy covering?
cuticle

30. 29. What type of cell respiration requires oxygen?
aerobic

31. 30. What type of cell respiration
does not require oxygen?
anaerobic

32. 31.Write out the formula.
C6H12O6 + 6O2 = 6CO2 + 6H2O + ATP

33. 32. Write out the formula in word form (don’t forget to include the # of molecules).
1 glucose + 6 oxygen = 6 carbon dioxide + 6 water + ATP

34. 33. What organelle does most of cellular respiration occur?
mitochondria

35. 34. Glycolysis breaks down _______________ into __________________ (include number of molecules).
glucose
2 pyruvic molecules

36. 35. Where does Glycolysis occur?
cytoplasm

37. 36. How many ATP molecules does it produce?2

38. 37. Which stage (that is in both aerobic and anaerobic cell respiration) does not require oxygen?
glycolysis

39. 38. Where does the Krebs cycle occur?
matrix of the mitochondria

40. 39. How many ATP does it produce?2

41. 40. During the electron transport chain, it uses _____ to make _____ and _____ in the _________ part of the mitochondria. O2
H2O
ATP
cristae

42. -Electron Transport Chain (ETC)
41. What two processes REQUIRE oxygen?
-Krebs
-Electron Transport Chain (ETC)

43. 42.
Glycolysis makes molecules of ATP
Krebs Cycle makes molecules of ATP Electron Transport chain makes molecules of ATP
For a total molecules of ATP molecules produced

44. 43. Draw the diagram comparing aerobic to anaerobic cellular respiration.
Krebs ETC (electron transport chain)
Glycolysis
Fermentation O2
No O2

45. 44. What are the two stages of fermentation/anaerobic cellular respiration?
-glycolysis
-fermentation

46. 45. What are the two types of fermentation?
-lactic acid
-ethyl alcohol

47. 46. What are the 2 products of lactic acid fermentation?
CO2

48. -yogurt/cheese food products
47. What are the 2 examples of lactic acid fermentation?
-yogurt/cheese food products
-muscle soreness

49. 48. What are the 2 products of ethyl alcohol fermentation?

50. 49. What is an example of ethyl alcohol fermentation?
yeast

51. 50. What is the net total of ATP molecules for both types of fermentation?2

52. 51. Label Photosynthesis diagram: chloroplast, sunlight, 6H2O, 6CO2, 6O2, C6H12O6, ATP, NADPH, Calvin Cycle/Light independent, light dependent, and thylakoids
6H2O
Chloroplast
6CO2
Light
Calvin Cycle
Light indep.
Thylakoid
ATP
NADPH
6O2
C6H12O6

53. 52. Label Cell Respiration diagram: Mitochondria, cytoplasm, glucose, 6H2O, 6CO2, 6O2, C6H12O6, ATP, Glycolysis, Krebs cycle, and theelectron transport chain (you may need to add arrows)
6O2
ETC
Electron Transport chain
Glucose
Krebs Cycle
Glycolysis
C6H12O6
Cytoplasm
Mitochondria
6H2O
6CO2
2ATP
2ATP
32 ATP

54. Gylcolysis
53. Label the Kreb Cycle diagram: Glycolysis, 2pyruvic acid molecules, CO2 molecules, and ATP.
2pyruvic acid
CO2
2ATP