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अमूर्त

Microbial Nutrition and Growth

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For the nutrition the microorganisms three main ingredients carbon, energy, and electrons. Each of these items have specific times associated with the organism. The other forms of energy to the microorganisms are light energy or chemical energy. The sun produces the light energy. Whereas the chemical energy is produced by the either organic or inorganic substances. The microorganisms that use the light energy are called as phototrophs. The organisms that use chemical energy are termed as chemotrophs. And based on the organic or inorganic matter they use they are called as lithotroph (uses inorganic sources) organotroph (uses organic sources).