An Ecoli Colony Grew on Minimal Medium Supplemented with Arginine and and Leucine.However,bacteria

question 35

Multiple Choice

An E.coli colony grew on minimal medium supplemented with arginine and leucine.However,bacteria from this colony are unable to grow and form colonies on minimal medium supplemented with arginine and methionine.What is the genotype of the bacteria in this E.coli colony?

• A)arg⁺leu⁺met^-
• B)arg⁺leu^-met⁺
• C)arg⁺leu^-met^-
• D)arg^-leu⁺met⁺
• E)arg^-leu^-met^-

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