The cell membrane allows or denies matter from entering the cell while also making sure the inside contents do not escape. This also can be called the plasma membrane.
A very small portion of colorectal cancers are caused by inherited gene mutations. Many of these DNA changes and their effects on the growth of cells are now known. For example: Familial adenomatous polyposis (FAP), attenuated FAP (AFAP), and Gardner syndrome are caused by inherited changes in the APC gene.