Which of These Haploid Strains Produce Permease but Do Not

question 46

Multiple Choice

Which of these haploid strains produce permease but do not produce β-galactosidase?

• A) I- P+ O+ Z+ Y+
• B) I+ P+ O+ Z-Y+
• C) I- P+ O+ Z-Y-
• D) I+ P+ O- Z+ Y+
• E) I- P+ O+ Z+ Y-

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