Ribosome

I would like to ask you question how proteins are formed in cells. The good question is all animal and plant cells consist  Ribosomes and ribosome produces protein. There are two category of  Ribosome in cells found,

70S Ribosome

80S Ribosome

80s Ribosomes can be seen only nucleic cells. But 70s Ribosomes can be seen all types of cells. Here S- value measured by sued-burg.