Table 1.The macronutrient content in microbes ( to dry cell weight) element bacteria yeast mould 50 49.8 47.0 15 7.5 5.2 8 5.7 6.7 20 31.1 40.2 3 1.5 1.2 0.3 0.2
element bacteria yeast mould C 50 49.8 47.0 N 15 7.5 5.2 H 8 5.7 6.7 O 20 31.1 40.2 P 3 1.5 1.2 S 1 0.3 0.2 Table 1.The macronutrient content in microbes (% to dry cell weight)
Microbes is omnivorous. The substance utilized by generic species could be utilized by microbes too. The substance couldn't be utilized by generic species could be utilized by microbes. Some kinds of substance harmful to generic species also could be utilized by microbes
The substance utilized by generic species could be utilized by microbes too. The substance couldn’t be utilized by generic species could be utilized by microbes. Some kinds of substance harmful to generic species also could be utilized by microbes. Microbes is omnivorous
ll.Main nutrient and the function ■Carbon source ■Nitrogen source ■Energy source Growth factor ☐Inorganic salt Water
II. Main nutrient and the function Carbon source Nitrogen source Energy source Growth factor Inorganic salt Water
Functions: vconstitute the cells of the microbes uvprovide the energy needed in the physiological activity to microbes uvthe source to form the microbial metabolic products uNutrient is the substance base for microbial metabolism and living activity. If lose this base,the life will die
Functions: vconstitute the cells of the microbes vprovide the energy needed in the physiological activity to microbes vthe source to form the microbial metabolic products Nutrient is the substance base for microbial metabolism and living activity. If lose this base, the life will die
1.Carbon sources The nutrient provide the carbon element for microbies Organic carbon sources:protein,nucleic acid,starch,glucose,et al Inorganic acid:CO2,Na,CO3,CaCO3 et al Heterotrophic microbe:is an organism must obtain its carbon in an organic form. Autotrophic microbe:is an organism that uses CO2,an inorganic gas,as its carbon source
Heterotrophic microbe: is an organism must obtain its carbon in an organic form. Autotrophic microbe: is an organism that uses CO2 , an inorganic gas, as its carbon source. 1.Carbon sources The nutrient provide the carbon element for microbies ❑Organic carbon sources: protein, nucleic acid, starch, glucose, et al ❑Inorganic acid: CO2 , Na2CO3 , CaCO3 et al