Onion peel - Epidermal cells
C ells are the smallest structural and functional unit of life. Cells are smaller than a grain of sand! But what do they do? As the definition suggests, they carry out all the processes in organisms such as growth and repair. Cells have multiple tiny - tiny cell organelles which help in various activities of the cell from carrying genetic material to synthesizing proteins and creating huge organisms such as us, Humans! Some cells have a specific shape, due to a structura l protein called cellulose present in the cell wall , like plant cells and some don't such as human cells. In t his blog lets dive into the plant cell! Plant cells contain a cell wall which gives them their rigid shape. They also contain the plasma membrane through which the exchange of materials take place. Cells contain a jelly like substance called the cytoplasm ...