unit 5 photosynthesis and cell respiration. 1. where in the leaves does photosynthesis occur? cell
TRANSCRIPT
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Unit 5
Photosynthesis and Cell Respiration
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1. Where in the leaves does photosynthesis occur?
Cell
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2. What organelle does photosynthesis occur in?
chloroplasts
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3. What is required for this process to occur?Light (dependent)
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4. What is the space inside the chloroplast?stroma
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5. Where is the chlorophyll located?
Thykaloid discs for light dependentreaction
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6.What chemical absorbs light?
Chlorophyll in the Thylakoid discs
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7.What is the only color that the chlorophyll does NOT absorb?
Green because it is reflected
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8. What color do we see & why?
• Green because it is reflected.
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9. In the light dependent section, what comes in and what is released?
( H2O is converted to O2)
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10. What two molecules are transferred to the next process?
-ATP (energy)-NADPH (electron carriers)
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11. What energizes the electrons in the electron transport chain?
light
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12. What carries the high-energy electrons to the next process?
NADPH
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13. What is energy called in this process?
ATP
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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
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15.What is not required in the Calvin Cycle process?
Light (independent)
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16. What is the purpose of the Calvin Cycle?
Use NADPH & ATP from light reaction with carbon dioxide to mike high-energy sugar for storage
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17. What is the other name for the light independent reaction?
Calvin Cycle
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18. Where in the chloroplast does the light independentcycle occur?
Stroma
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19. Why does the cycle have to go around 6 times?
To pick up 6 carbons
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20. Who uses the sugar/glucose?The plants and those that consume the plant for energy
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21. Write out the formula. 6CO2 + 6H2O+ (sunlight) = C6H12O6 + 6O2
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22. Write out the formula in word form (include # of molecules).
6 carbon dioxide +6 water with sunlight=1 glucose+6oxygen
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23.What is stored glucose called (from the movie notes)?
starch
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24. What 3 things affect the rate?
-temperature-water
-intensity of light
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25. What is the location where most chloroplast is located?
mesophyll
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26. What is the vascular system that brings water up from the roots?
xylem
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27. What part of the vascular system carries sugar and nutrients?
phloem
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28. What is the waxy covering?
cuticle
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29. What type of cell respiration requires oxygen?
aerobic
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30. What type of cell respirationdoes not require oxygen?
anaerobic
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31.Write out the formula.
C6H12O6 + 6O2 = 6CO2 + 6H2O + ATP
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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
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33. What organelle does most of cellular respiration occur?
mitochondria
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34. Glycolysis breaks down _______________ into __________________ (include number of molecules).
glucose2 pyruvic molecules
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35. Where does Glycolysis occur?
cytoplasm
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36. How many ATP molecules does it produce?
2
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37. Which stage that is in both aerobic and anaerobic cell respiration does not require oxygen?
glycolysis
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38. Where does the Krebs cycle occur?
matrix of the mitochondria
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39. How many ATP does it produce?
2
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40. During the electron transport chain, it uses _____ to make _____ and _____ in the _________ part of the mitochondria.
O2 H2O ATP
cristae
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41. What two processes REQUIRE oxygen?
-Krebs-Electron Transport Chain (ETC)
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42. Glycolysis makes 2 molecules of ATP Krebs Cycle makes 2 molecules of ATP Electron Transport chain makes 32 molecules of ATP
For a total molecules of ATP 36 molecules produced
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43. Draw the diagram comparing aerobic to anaerobic cellular respiration.
Krebs ETC (electron transport chain)
Glycolysis
Fermentation
O2
No O2
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44. What are the two stages of fermentation/anaerobic cellular respiration?
-glycolysis-fermentation
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45. What are the two types of fermentation?
-lactic acid-ethyl alcohol
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46. What are the 2 products of lactic acid fermentation?
• Lactic acid• CO2
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47. What are the 2 examples of lactic acid fermentation?
-yogurt/cheese food products-muscle soreness
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48. What are the 2 products of ethyl alcohol fermentation?
-ethyl-CO2
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49. What is an example of ethyl alcohol fermentation?
yeast
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50. What is the net total of ATP molecules for both types of fermentation?
2
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51. Label Photosynthesis diagram: chloroplast, sunlight, 6H2O, 6CO2, 6O2, C6H12O6, ATP, NADPH, Calvin Cycle/Light independent, light dependent, and thylakoids
Light6H2O 6CO2
6O2 C6H12O6
Chloroplast
ThylakoidCalvin Cycle
Light indep.ATP
NADPH
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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)
Mitochondria
Glucose
Cytoplasm
Glycolysis
6CO2 6H2O
C6H12O6
Krebs Cycle
ETCElectron Transport chain
6O2
2ATP 2ATP 32 ATP
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53. Label the Kreb Cycle diagram: Glycolysis, 2pyruvic acid molecules, CO2 molecules, and ATP.
Gylcolysis2pyruvic acid
CO2
2ATP