SECTION D Movement of Substances Across and Through Plasma Membranes mauring 1. Passive Processes a. Brownian Movement Describe the movement of the India ink particles on the unheated slide. On unheated Slide derrotha bastider of ina speedy Slowly How does this movement differ from that on the heated slide? on heated slide the ink particles spread with more ROY OLGA compare to unheated one b. Diffusion 2 Solid in Liquid Solid in Solid Time, min Distance, mm Time, min Distance, mm 15 15 30 30 45 45 60 60 75 75 90 90 105 105 120 120