The tiny unit of an organism that controls and regulates structural and functional properties is called a cell.
Cells know what to become after differentiation due to unique and particular genetic codes and proteins.
The factors like chemicals, hormones, proteins and adjacent cells act as a signal and stimulus for the cell for functioning.
The proteins majorly determine the functions assigned to the cells.
The chemical signal and proteins enable cells to differentiate and function like some cells build muscles while some cells makes bones.
To learn more about cells and their functions follow the link:
https://brainly.com/question/913732
