The composition of the microbe cell Elemental level carbon, hydrogen, oxygen, nitrogen and essential inorganic ions such as phosphate, sulfate, sodium, calcium, magnesium, potassium and iron and a num ber of trace elements( zn, Mn, Mo, Se, co, Cu, Ni Compound level water, carbohydrates, protein, nucleic acid, lipoid, vitamine, antibiotic, inorganic ionThe composition of the microbe cell carbon, hydrogen, oxygen , nitrogen and essential inorganic ions such as phosphate, sulfate, sodium, calcium, magnesium, potassium and iron and a number of trace elements (Zn, Mn, Mo, Se, Co, Cu, Ni, W) : water,carbohydrates, protein, nucleic acid, lipoid, vitamine, antibiotic , inorganic ion. Elemental level Compound level