The cell theory:
The scientist are Schleiden and Theodor Schwann stated the cell are fundamental units of plants and animal and the scientist who gave the name cell is Robert hook.
The cell theory is explains the structure and importance of the cells. Cell are divided into plant and animal cells .plant cell are primarily made up of cellulose. Cellulose are the most abundant macromolecules on the earth.
The fibre of the cellulose are made up of strong and linear fibres. The cell contains the energy flow in the DNA which is found specifically in the chromosomes and RNA found in the cell nucleus and cytoplasm.