Respiration/Photosynthesis

Photysynthesis

Light-dependent stage:

• Light excites elctrons in the thylokoid membanes.
• Elctrons move down the elctron transport chain from photosystem II to photsystem I.
• During the elctron transport chain inbetween PSII and PSI chemiosmosis occurs.
• Electrons that leave PSII are replaced from water moleclues.
• Electrons that leave PSI are accepted with Hydrogen ion by NADPto form reduced NADP.
• NADP then travles to the Light-Independent stage.

Light-independent stage:

• Known as the Calvin Cycle     
• CO₂ combines with RuBP forming an unstable 6 Carbon compound
• This splits into 2x 3 Carbon molecules (Glycerate-3-Phosphate)
• NADP and ATP form these into Triose phosphate
• For glucose to form this must turn 6 times
• This creates…