12. Gene Regulation in Prokaryotes
Lac Operon
3:04 minutes
Problem 18a
Textbook Question
Textbook QuestionComplete the accompanying table, indicating whether functionally active -galactosidase and permease are produced in the presence and absence of lactose. Use '+' to indicate the presence of a functional enzyme and '−' to indicate its absence. Indicate whether the partial diploid strain is lac⁺ (able to grow on lactose-only medium) or lac⁻ (cannot grow on lactose medium).
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