Nitrogen cycle
Nitrogen cycle Among the bio-geo chemical cycle,Nitrogen cycle is very important. In Earth's atmosphere about 78% is nitrogen, making it the largest pool of nitrogen. Nitrogen is essential for many biological processes; and is crucial for any life here on Earth. It is in all amino acids, is incorporated into proteins, and is present in the bases that make up nucleic acids, such as DNA and RNA.In plants, much of the nitrogen is used in chlorophyll molecules which are essential for photosynthesis and further growth .Although, most organisms live in a nitrogen rich atmosphere but it can be used by very few organisms. However the requirement of nitr...