Transition to biology l。 Reactants Cells migrate, proliferate, synthesize matrices and cytokines, degrade matrices, etc Cytokines are soluble molecules that diffuse. They serve as"language between cells Matrices are insoluble macromolecular networks and do not diffuse. They control cell behavior(phenoty pe)via integrin ligand binding. Usually porous (“ scaffolds”)Transition to biology I. Reactants • Cells migrate, proliferate, synthesize matrices and cytokines, degrade matrices, etc. • Cytokines are soluble molecules that diffuse. They serve as “language” between cells. • Matrices are insoluble macromolecular networks and do not diffuse. They control cell behavior (phenotype) via integrin￾ligand binding. Usually porous (“scaffolds”)