Escherichia coli strain K12 is considered a wild-type strain and does not have any nutritional vitamin requirements.What term applies to this strain?

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Quizplus · Accepted Answer

A prototroph is a microorganism that can synthesize all the nutrients it needs from basic ingredients without requiring any additional supplements. As the E. coli K12 strain does not require any nutritional vitamin supplements, it can be considered a prototroph. The other options do not apply to this strain as it does not require light (phototroph), cannot synthesize its own vitamins (auxotroph), and does not rely on inorganic compounds for energy (lithotroph).

Escherichia Coli Strain K12 Is Considered a Wild-Type Strain and Does