We know that bacterias increase in population by duplicating themselves and getting divided into two. According to Mass Energy Interconversion, there must be some energy source that contributes to extra mass to obtain another cell of same kind. So, whats that energy source in normal atmosphere that bacterias utilise to gain their mass. If its energy from some, what could be mechanism of ATP conversion in these single- celled creatures.
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Yeah thats quite helpful, Thank you.
But I am still confused with, what does that bacteria intakes after division to grow back to its large size and whats the mechanism of mass-energy conversion in a bacterium.
Bacteria are either chemotrophs or autotrophs, deriving the bulk of their energy from organic compounds or the sun, respectively. Chemotrophs convert energy to mass like we do, while autotrophs convert energy to mass like plants do.