The plant cell The plasma membrane Krebs Cycle Calvin Cycle Electron transport chain Photorespiration cycle Crassulacean acid metabolism (CAM) Photosynthetic pathway in c4 plants Glycolysis Cycle Oxidative Pentose Phosphate Pathway (OPPP) Hydrocarbon biosynthesis pathways Yang Cycle (ethylene biosynthesis) Climacteric and non-climacteric behavior Mevalonate pathway Shikimate pathway in plants