Therefore, as gravity affects all things equally, regardless of their mass in grams or kilograms, and because 1 m/s 2 = 100 cm/s 2, the surface gravity of Earth could be expressed in cgs units as 980.665 cm/s 2 and at base 10 logarithm (log g) as 2.992.
The cell wall is only in plants, and it gives the plants structure. The cell membrane controls the movement of substances entering and leaving the cell.
Control of Cell Division. Cell division usually limits itself, namely at certain checkpoints during the cell cycle. The majority of cells in the human body exist at the G0 stage of interphase, which denotes the state of nondividing cells. A cell will continue into the mitotic cycle if it receives a signal at the G1 checkpoint telling it to divide.