Figure 5From: Extraction, purification, kinetic and thermodynamic properties of urease from germinating Pisum Sativum L. seedsEffect of substrate concentration on the activity of urease extracted from pisum sativum L. seeds. (a) Dependence of initial reaction rate on substrate concentration of urease; pH 7.5, temperature 40°C. (b) Lineweaver-Burk double reciprocal plot.Back to article page