Question

I^S P⁺ O⁺ Z⁺Y⁺ / I⁺ P⁺ O^CZ^- Y⁺

In the presence of lactose, an E. coli possessing the lac Operon/ plasmid system above would

produce neither functional β-galactosidase nor functionalpermease

produce functional β-galactosidase only

produce functional permease only

produce both functional β-galactosidase and functionalpermease