The iron obtained directly from the blast is called

Iron is obtained by extracting it from iron ore in a large container, called a blast furnace. The blast furnace is necessary to smelt the iron out of the ore. Smelting is a process in which the iron ore is heated until it becomes spongy and the chemicals in the ore begin to break down.

prokaryotic cells do not have a nucleus in which the dna is stored in, it floats freely inside the cell.

eukaryote cells do have a nucleus in which the dna is stored in.