2. Summer 2009 Workshop in Biology and Multimedia for High School Teachers Ed Barry Marian High School Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

3. http://www.webweaver.nu/clipart/sports-baseball.shtml http://en.wikipedia.org/wiki/File-Citrus_leaf.JPG[background image]

4. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut What is the primary function of photosynthesis?

5. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut en.wikipedia.org/wiki/Dihydroxyacetone_phosphate Identify the darkened molecule

6. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut True or False The Calvin cycle (= light-independent reactions) can occur in a plant that is in dark room so long as the materials carbon dioxide, ATP, and NADP-H are present.

7. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Calvin-cycle3.png Identify this cyclic process

8. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut What is the importance of photosynthesis to living things other than plants?

9. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Where is this molecule produced? http://en.wikipedia.org/wiki/File:G3P-3D-balls.png

10. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut What is an Accessory Pigment or Antenna Pigment?

11. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Photosynthesis.jpg Supply the coefficients that balance the follow equation

12. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut In the thylakoid membranes, what is the main role of the antenna pigment molecules? A)to pass electrons to ferredoxin and then NADPH B) to harvest photons and transfer light energy to the reaction-center chlorophyll C) to synthesize ATP from ADP and Pi D) to concentrate photons inside the stroma E) to split water and release oxygen to the reaction- center chlorophyll

13. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut WHERE would you typically find this and other like it? http://en.wikipedia.org/wiki/File:Plant_stoma_guard_cells.png

14. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Summarize, in one sentence, what happens during the light dependent reactions of photosynthesis.

15. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Thylakoid.png WHERE in a plant would you except to find many of these?

16. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut IDENTIFY [at least 5/6 of] the blackened anatomical leaf structures http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg

17. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Pineapple1.JPG Plants that produce these fruits ‘Do’ which type of PS?

18. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Chlorophyll is green because it _?_ (absorbs, reflects, or transmits) green wave lengths of light.

19. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png What are the ‘Products’ of the Light-dependent reactions?

20. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Thylakoid.png What does this illustration represent?

21. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut When a molecule loses an electron, the molecule has been _?_ (oxidized or reduced or destroyed)

22. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg IDENTIFY this essential component of PS [hint there are TWO nitrogen- bases attached to sugars]

23. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut When a molecule gains an electron, the molecule has _?_ (gained energy or lost energy)

24. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut What is the ROLE of this structure? http://en.wikipedia.org/wiki/File:Plant_stoma_guard_cells.png

25. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg Where does the light independent reactions occur?

26. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Summarize, in one sentence, what happens during the light independent reactions of photosynthesis.

27. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Photosynthesis.jpg How is the oxygen produced in PS?

28. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut High energy electrons in Photosystem I are used to manufacture molecules of ?

29. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png What is the driving force that activates ATP synthase

30. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut High energy electrons in Photosystem II are used to manufacture molecules of ?

31. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Which major enzyme complex is involved in phase 1? en.wikipedia.org/wiki/File-Calvin-cycle3.png

32. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut The light reactions of photosynthesis occur in the __________, and the dark reactions occur in the __________ of the chloroplast.

33. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg Identify the blackened structures

34. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut During noncyclic photophosphorylation, water is oxidized and the electrons from water pass through photosystem II and photosystem I before reducing _____________.

35. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Pineapple1.JPG WHY can’t pineapple plants and other related plant rely on a typical PS pathway?

36. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut en.wikipedia.org/wiki/Dihydroxyacetone_phosphate Identify the darkened molecule

37. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut The overall source of energy for photosynthesis is:

38. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut What role do the vascular bundles play in PS? http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg

39. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Seawifs_global_biosphere.jpg What might be a factor leading to varying Chl-a levels?

40. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut At one time, the light- independent reactions were referred to as the"dark reactions" of photosynthesis. Briefly explain why this terminology is misleading?

41. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png Which is the stroma side on thylakoid membrane?

42. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Why is Photorespiration a concern when its known that RUBISCO has a higher affinity for CO 2 than O 2 ?

43. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Chlorophyll_b.sv g http://en.wikipedia.org/wiki/File:Chlorophyll_a.sv g These are chlorophylls - which is chlorophyll a and which is chlorophyll b?

44. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Organisms that can exist on light and an inorganic form of carbon and other raw materials A) are called photoautotrophs. B) are called heterotrophs. C) are best classified as decomposers. D)do not exist in nature. E)are both C and D.

45. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Identify this molecule en.wikipedia.org/wiki/File-G3P-3D-balls.png

46. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut The following statements about the light reactions of photosynthesis are all TRUE except: A)RUBP carboxylase is activated by photons. B) Electrons are transferred from water to NADP to power of (+). C)Chlorophyll (and other pigments) absorb light energy, which excites electrons. D)ATP is generated by photophosphorylation. E)The splitting of water molecules provides a source of electrons.

47. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg What is the ROLE of this molecule in PS

48. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut A new flower species has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are not being absorbed by this pigment? A) green and yellow B) blue and violet C) green, blue, and violet D) blue, green, and red E) red and yellow

49. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut CORN What ‘type’ of PS do these plants do? en.wikipedia.org/wiki/File:Field,_corn,_Liechtenstein,_Mountains,_Alps,_Vaduz,_sky,_clouds,_landscape.j pg

50. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Give 3 factors that affect the rate of photosynthesis.

51. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut http://en.wikipedia.org/wiki/File:Rubisco.p ng What is the ROLE of this molecule in the Calvin cycle?

52. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Why are chloroplasts green?

53. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Under what conditions would C 4 and CAM photosynthesis be advantageous?

54. Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College. CheerHitOut Explain the advantage of chloroplast movement within the cytoplasm of mesophyll cells OR the solar tracking by leaves for light interception.