Nitrogen is one of the essential constituents of all living organisms. Name two important biological compounds that contain nitrogen. What is meant by nitrogen fixation?
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Nitrogen is an essiential element of life, it is a compound of amino acids proteins and nucleic acids . The fact that N is an essential ingredients in all living matter (together withC,H and O) can be proven by the fact that NH3 is evolved when vegetable or animal products are heated.
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