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They allow Cells to communicate with other Cells.
cell membrane
Skin cells. Epithelial cells
no the outer surface of animal cells are called the cell membrane, plat cells also have a cell membrane but they sometimes also have a cell wall, animal cells don't have cell walls.
cell-surface markers
cell membrane aka plasma membrane
If the smaller cells' total volume is at least that of the larger cell then the smaller cells have the greater surface area.
The largest contributor to the limit on a cell's size is the ratio between its volume and its surface area. Because cells acquire nutrients through their membrane (surface), it is more favourable for a cell to have more surface. This can be accomplished by splitting the cell into 2 cells. The combination of the 2 cells has more surface area to absorb nutrients, than the surface area of a single really big cell. Thus cell's are limited in size by their need to be able to intake nutrients, which is accomplished by dividing into smaller cells.
The largest contributor to the limit on a cell's size is the ratio between its volume and its surface area. Because cells acquire nutrients through their membrane (surface), it is more favourable for a cell to have more surface. This can be accomplished by splitting the cell into 2 cells. The combination of the 2 cells has more surface area to absorb nutrients, than the surface area of a single really big cell. Thus cell's are limited in size by their need to be able to intake nutrients, which is accomplished by dividing into smaller cells.
The largest contributor to the limit on a cell's size is the ratio between its volume and its surface area. Because cells acquire nutrients through their membrane (surface), it is more favourable for a cell to have more surface. This can be accomplished by splitting the cell into 2 cells. The combination of the 2 cells has more surface area to absorb nutrients, than the surface area of a single really big cell. Thus cell's are limited in size by their need to be able to intake nutrients, which is accomplished by dividing into smaller cells.
because the diffusion of a cell. and the volume surface area of the cell.
New cells are formed from other cells. Cells replicate. The new cells that are created have the same material in them as the cell it came from.