Ascent of sap Absorption of water 2 Diffusion, osmosis and imbibition 2 Respiration 2 Bio-physico-chemical phenomena 1 Biology of dormancy 1 Elementary Biochemistry 1 Enzymes 1 Heterotrophic Plants 1 Metabolisms 1 Mineral Nutrition 1 Mineral Salt absorption 1 Photoperiodism and vernalisation 1 Photorespiration 1 Photosynthesis 1 Plant cell 1 The Cell 1 The Enzymes 1 The plant cell 1 Translocation of solutes 1 Transpiration 1 Water, solutions, suspensions and colloidal systems 1