Term
| Where does the Calvin Cycle occur? |
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Definition
| The calvin cycle occurs in the Stroma of the chloroplast. The stroma is a protein-rich semiliquid material in the interior of a chloroplast. |
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Term
| Name the three stages of the Calvin Cycle. |
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Definition
Carbon fixation, reduction, and regeneration
The phase name indicates what type of reactions occue during that phase. |
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Term
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Definition
During stage 1, Carbon Fixation, a carbon atom from CO2 is added to RuBP (a 5C molecule), forming a 6 carbon molecule.
The 6 Carbon molecule splits apart, forming 3 PGA.
This reaction is called C3 photosynthesis and is catabolized by Ribulose Bisphosphate Carboxylase/oxygenate. |
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Term
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Definition
During stage 2, reduction, 6 PGA is phosphorylated by ATP, forming 6 BPG.
6 BPG is then reduced by NADPH, forming 6 G3P.
1 G3P exits the cycle. |
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Term
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Definition
During stage 3, regeneration, 5 G3P are rearranged to form 3 RuBP.
(Cycle repeats) |
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Term
| How is the Calvin cycle different from Non-cyclic Electron Flow? |
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Definition
| The Calvin Cycle is light independant, meaning it does not require sunlight or artifical light to function. BUT it still always occurs in the light, like light dependant reactions (e.g. Non-cyclic). |
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