The iron curtain divides the line between the Western and Eastern part of Europe. In the Eastern part of Europe under the rule of the Soviet Union, Communism was the type of g â¦ overnment practiced.e was talking about the spread of communism in Eastern Europe and said that 'from â¦ Stettin on the Baltic to Trieste on the Adriatic, an Iron Curtain has descended over Europe'. He meant that Europe was now split into two zones-East and West.
Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase begins. Promoter sequences are typically located directly upstream or at the 5' end of the transcription initiation site.
It holds the vital DNA of the cell. It contains hereditary materials known as chromosomes, acts as a control center for cell activities, and controls cell division. The function of nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. Nucleus is the control center of the cell. The genes inside the nucleus tell the cell what to do, and thus, tells the body what to do. There are also nucleolus inside th â¦ e nucleus. Nucleolus makes parts of ribosomes that are sent out to the cytoplasm.