Xoloitzcuintli (Mexican Hairless Dog) The Xoloitzcuintle is a hairless dog which can be seen in toy, miniature and standard sizes. The country of origin is Mexico and it is commonly called with the name Xolo and is popular as Mexican hairless dog. The Xoloitzcuintle dog â Facts, Information and Characteristics The other names for this dog are Xoloitzcuintli, Xoloitzcuintliu, Xoloitzquintle and Xoloescuincle.
The nucleus, which is also the organelle that houses the genetic material in the cell, is responsible for directing the cell.
Organelles and Their Functions. The nucleus is arguably the most important organelle in the cell. It is the control center, telling all of the other organelles what to do and when to do it. The nucleus also contains all of the cell's genetic material, or its DNA. This material has all the instructions the cell needs for making proteins and many other important molecules.