Biomanbio Photosynthesis

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Name : _________________________________________________________________________ Period: __________
Go to Biomanbio.com --- Photosynthesis---- Leaf Anatomy
1. The ______________ _________________ cells are most responsible for doing photosynthesis.
2. The organelle responsible for doing photosynthesis is _______________________.
3. Within the Chloroplast the green discs called ______________________are where _____________ dependent
reactions occur.
4. The fluid surrounding a chloroplast called the ____________________ is where the __________ cycle occurs.
Select Light dependent reactions to answer following.
5. Photolysis (Step 1): light strikes _____________ in __________________ II. Causing electrons to become excited
(gain energy)
6. The excited electrons leave Photosystem II and begin travel down _____________ ___________ ___________.
7. Photolysis (step 2): Water is split to replace _______________ lost. Also produces ________________ ions and
____________________.
8. As electrons travel down the chain. Their energy is used to pump ___________________ ions across membrane
into the ___________________________ space.
9. This results in a ______________ concentration of ____ in thylakoid space versus low in stroma.
10. Hydrogen moves from high to low concentration by ____________________.
11. H+ enters through a protein called ________ ________________.
12. ATP will be used during __________________ _______________ as energy source to produce sugar.
13. Electrons continue down electron transport chain to ______________I. Light strikes causing electrons to get
excited again. Continue further down a second electron transport chain.
14. Electrons are used to reduce ______ to for _______. Which is a _____________ _______________. Then enters
Stroma for Calvin Cycle.
15. Light-dependent reactions of photosynthesis are to produce _____ and _________ used in Calvin Cycle for
organic compound production.
16. Go through steps again to check for understanding.
Now Enter the Calvin Cycle
17. Phase 1: is called _______________ ________________ where three molecules of _____________ and three
molecules of ____________ are used to produce 6 molecules of ______________________ using an enzyme
called RuBisCo.
18. Phase 2: is called _______________________, where 6 molecules of 3-Phosphoglycerate is added with electrons
carried by ________________ and ________ produced from______________ _____________ reactions. This
produces 6 molecules of ______________.
19. G3P is the final product of Calvin Cycle. Only ____ molecule of G3P will leave Calvin Cycle and used to form
organic compounds like _____________________.
20. The other 5 molecules of G3P are used for the _____________________ of RuBP. Which allows cycle to
continue.
21. RuBP requires energy for regeneration to occur. Energy comes from _______a product from light reactions.
Repeat steps to check for understanding.
Enter ------Photosynthesis Quiz
22. Which part of the plant cell performs photosynthesis? ___________________________
23. What does light do when it strikes the chlorophyll molecules of photosynthesis 1 and 2?
______________________ _______________________________________________
24. After light excites electrons and they leave Photosystem II to travel down the first electron transport chain. How
are these electrons replaced to Photosystem II?
___________________________________________________________________________________________
25. The splitting of water at photosystem II is known as _________________ and results in the production of
__________________.
26. As electrons travel from photosystem II down the first electron transport chain. Their energy is used to
___________________________________________________________________________________.
27. Why do hydrogen ions flow from the thylakoid space to the stroma through ATP synthase?
___________________________________________________________________________________.
28. After electrons get excited by light a second time (at photosystem I). Where do they go?
___________________________________________________________________________________.
29. Which products of the light-dependent reactions are used in the Calvin cycle to help from reduced organic
compounds? ____________________________________________________________________________.
30. What happens during the carbon fixation stage of the Calvin Cycle (light-independent reactions)?
______________________________________________________________________________________.
31. What happens during the reduction stage of the Calvin Cycle (light-independent reactions)?
______________________________________________________________________________________.
32. What happens during the regeneration stage of the Calvin Cycle (light-independent reactions)?
______________________________________________________________________________________.
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