This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
chemical energy that is contained in and transported by the molecule called (ATP) Adenosin Tri Phosphate.
It is called a door closer. The door closer controls the speed at which the door closes to prevent it from slamming shut.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
This is called endocytosis.
Endocytosis
selectively permiable membrane (you might want to double check that though...)
This is called endocytosis.