A bacterial strain is able to grow on complete medium (which contains all the amino acids, vitamins, and a variety of carbon sources) but not on minimal medium or on minimal medium supplemented with leucine. What could be the genotype(s) of this bacterial strain with respect to the arg and leu loci

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i don't know. if i were you, i would search it up online : d

i would say it is

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem