Viscosity z Reflects its resistance to flow z Main factor influencing viscosity behavior – Apparent diameter of the dispersed molecules – Diameter depends on: z Intrinsic characteristics of protein z Protein-solvent interactions z Protein-protein interactionsViscosity z Reflects its resistance to flow z Main factor influencing viscosity behavior – Apparent diameter of the dispersed molecules – Diameter depends on: z Intrinsic characteristics of protein z Protein-solvent interactions z Protein-protein interactions