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.
Area. The vast Patagonia region covers about 777,000 square kilometres (300,000 square miles) of Argentina, which is about a third the country, and another 340,000 square kilometres (131,275 square miles) or nearly half, of Chile.n the Argentine side, it begins in the province of Rio Negro and carries on all the way to Tierra Del Fuego. The bottom of South America is also the closest landmass to Antarctica (New Zealand is the second closest), so it's a popular jumping off point for Antarctic voyages and cruises.