Now for an animal cell there are two main stages. We have the interface and the M stage also known as mitosis. Now mitosis is the process by which the cell actually divides into two identical cells and we're going to focus, focus on that stage in the next lecture. In this lecture we're going to discuss the process of the interface or the stage known as interface. Now interface is the stage of the life cycle of the animal cell that prepares the cell for the process of cell division. Interface is the longest stage of the life cycle of that cell and it takes up about 90% of the time.