mur (1) biosynthèse (1) sol (1) spectacle (1) racine (1) polymère (1) diffusion (1) dégradation (1) Roots (Botany)--Formation (1) Genes (1) Polymerization (1) Water (1) Walls (1) Soils (1) Roots (Botany) (1) Proteins (1) Process (Law) (1) Plasticity (1) Plants (1) Lignin (1) Enzymes (1) Driving of horse-drawn vehicles (1) Diffusion (1) Cells (1) Biosynthesis (1) Shapes (1) Synthesis (1) diffusion (1)