Asked by  | 14th Jun, 2008, 05:38: PM

Expert Answer:

Many bacteria can synthesize every complex molecule they need from the basic minerals, but others, said to be fastidious, require preformed organic molecules like vitamins, amino acids, nucleic acids, carbohydrates. Most bacteria are heterotrophs, a few are lithotrophs.

Answered by  | 16th Jun, 2008, 07:55: PM

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