What function does diffusion have in the cell

Diffusion is the process by which molecules freely move in an out of cells. When the concentration of molecules is higher outside of the cells more molecules will enter the cell or cells than leave. Diffusion is driven by the largely random movements of molecules within a solution. 

Lifting and pull ups

It doesn't state that he washed his hands before or after preparing this poultry. even though he had it in seperate bags the bacteria from the poultry could have entered the vegtables because of a lack of handwashing. so cross-contamination is a very possible answer.