For example, in the human body, bones, muscles, nerves, tendons, ligaments, cartilage, skin, in short, all the organs are made up of cells or grown from cells. But in all organelles with cells, from the a-mip is a simple, small anode, usually without a membrane but with a nucleus inside, to humans, and from the apple tree. Old couple to my husband mug. The smallest Desmidiacee protozoan to the most highly developed plant, the way of cell proliferation is the same: by dividing. First, the nucleus closes in the middle, the constriction – feces the two spherical halves of the nucleus grew stronger, and eventually the two halves separated and formed two nucleus.