Phs 08 09

PHOTOSYNTHESIS Light Energy to Chemical Energy

Importance of Photosynthesis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Photosynthesis and Transpiration Whole Plant Perspective ,[object Object],[object Object],[object Object],[object Object]

Photosynthesis ,[object Object]

Chloroplast Granum Thylakoid Stroma Outer Membrane Inner Membrane

Thylakoid Thylakoid Membrane Thylakoid Space Granum

Grana – Site of ‘Light Reactions’. Pigments Embedded in Thylakoid Membranes. Stroma – Site of ‘Light-Independent Reactions’. CO 2 Fixed into Sugar (Glucose). Membrane – Bounded by 2 smooth membranes

[object Object],[object Object],[object Object]

Photosynthetic Pigments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Photosynthetic Unit ,[object Object],[object Object],[object Object],[object Object],[object Object]

Processes in Photosynthesis (1) light O 2 CO 2 sugar starch H 2 O (2) Light Reactions (3) Dark Reactions NADPH ATP

3 Processes in Photosynthesis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lab 4B ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Light Reaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Light Reaction Noncyclic Electron Flow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Light Reaction Cyclic Electron Flow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why Cyclic Electron Flow? ,[object Object],[object Object]

Light Reactions Inputs Outputs Light H 2 O ADP NADP + O 2 ( Waste) ATP NADP H + H + Energy Carrier Molecules Take Converted ‘Light’ Energy to Stroma

Chemiosmosis ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dark Reaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3 Phases – Calvin Cycle ,[object Object],[object Object],[object Object]

Photosynthesis H 2 O CO 2 O 2 C 6 H 12 O 6 Light Reaction Dark Reaction Light is Adsorbed By Chlorophyll Which splits water Chloroplast ATP and NADPH 2 ADP NADP Calvin Cycle Energy Used Energy and is recycled. + +

Types of plants Processes of Photosynthesis ,[object Object],[object Object],[object Object]

C3 photosynthesis ,[object Object],[object Object],[object Object],[object Object],[object Object]

Photorespiration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

C4 Plants ,[object Object],[object Object],[object Object],[object Object],[object Object]

C4 photosynthesis ,[object Object],[object Object],[object Object],[object Object],[object Object]

CAM Plants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phs 08 09

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