The largest is the Biosphere
FALSE, The dude who commented first is a nerd and got it wrong so... i just left it plain and simple for you homie, stay living brotha
It is possible for large molecules to enter a cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis.