racine (2) diffusion (2) Process (Law) (2) Plants (2) Diffusion (2) Cells (2) diffusion (2) mur (1) biosynthèse (1) état (1) sol (1) spectacle (1) polymère (1) nutriment (1) rétombée atmosphérique (1) dégradation (1) répression (1) Roots (Botany)--Formation (1) Genes (1) Polymerization (1) Water (1) Walls (1) Transportation (1) Symmetry (1) Soils (1) Roots (Botany) (1) Proteins (1) Plasticity (1) Phloem (1) Meristems (1)