Below is a table showing several bacterial strain lac operon genotypes (some are partial = diploids separated by a slash mark). Fill in the blanks in the "lactose absent" and "lactose present" columns in this table: ( ) means significant levels of active β-galactosidase enzyme can be detected. (-) means no significant levels of active β-galactosidase enzyme. The first line is filled in for reference.Strain genotypeLactose absentLactose presentlacI lacP* lacO lacZ- lacY-lacI lacP- lacO lacZ-
Below is a table showing several bacterial strain lac operon genoty…
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