The nucleus maintains the security of the genes and controls the functions of the entire cell by regulating gene expression. This is why the nucleus is sometimes referred to as the control center, or the brain, of the cell.
Patagonia - region in southern South America between the Andes and the South Atlantic. Argentina, Argentine Republic - a republic in southern South America; second largest country in South America.
Patagonia in Chile is one of the reasons why they call Chile the Switzerland of the South. There are gorgeous snow capped mountains where the Andes tower over the border of Chile and Argentina. The lake country in Chile is also very impressive, make sure to check cities off the beaten path like Chiloe.