Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.
In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.