Density is mass divided by volume
It is because that's a place where no one lives so they're safe.
The correct answer is actin. Microfilaments are made form a ball-shaped protein called actin. These actins are globular proteins who are the ones responsible for the formation of microfilaments. It is mostly found in the eukaryotic cells.
More enzymes more useful collisions
Cell is dividing the cell spend in the two main phrases