Electron micrographs of cassava leaf and root sections. Sections were incubated with anti-linamarase serum followed by incubation with 10-nm gold-conjugated goat anti-rabbit antibodies. In non-cyanogenic cassava: A, root peel; B, root parenchyma; and C, petiole. In cyanogenic cassava: D, root peel; E, root parenchyma; and F, petiole. Bars = 2 μm. cw, Cell wall; v, vacuole; c, citosol; m, mitochondria; pc, parenchymatous cell; L, laticifer cell. Arrows indicate a gold particle.