Suppose a mutant strain of Escherichia coli K12 contains a mutation in the trpE gene and is no longer able to make tryptophan.What is this mutant called?

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The mutant strain is unable to synthesize tryptophan, which is a necessary amino acid for the bacterial growth. This mutation has resulted in the growth requirement of tryptophan for the mutant strain, making it an auxotroph. A prototroph, on the other hand, can synthesize all the necessary nutrients and does not require any additional growth factors. Autotrophs are organisms that can synthesize their own organic molecules from inorganic sources such as carbon dioxide, while lithotrophs are organisms that can use inorganic compounds as their energy source. Phenotroph is not a term commonly used in microbiology.

Suppose a Mutant Strain of Escherichia Coli K12 Contains a Mutation