1. Cell Division (Mitosis): This is the process by which a single cell divides into two identical daughter cells. This process increases the number of cells in the organism, leading to overall growth. Mitosis is crucial for development, repair, and replacement of tissues.
2. Cell Growth (G1 and G2 phases): During the G1 and G2 phases of the cell cycle, the cell grows in size. It synthesizes proteins, organelles, and other cellular components, increasing its overall mass and complexity. This growth is essential for the cell to be able to divide successfully and contribute to the overall growth of the organism.
Therefore, both cell division and cell growth are crucial for the growth of an organism by increasing the number of cells and the size of individual cells, respectively.
