Which Phenotype Would Be Observed in an E

question 23

Multiple Choice

Which phenotype would be observed in an E. coli cell with the lacY- genotype?

• A) Cells would not be able to accumulate lactose due to the absence of the lactose permease membrane protein.
• B) Cells would not be able to accumulate lactose due to the presence of a defect in the fi- galactosidase gene.
• C) Cells are able to cleave an indicator molecule even if lactose is absent as an inducer.
• D) Cells are unable to cleave an indicator molecule even if lactose is available as an inducer.

---

Definitions:

Job Opportunities

These are positions of employment available for individuals which match their skills, experience, and interests.

Taller And Stronger

A description often used to denote a physical growth or improvement in strength and stature.

Black Bass

A popular freshwater game fish belonging to the sunfish family, known for its dark coloration and sport fishing appeal.

Striped Bass

A popular game fish native to the Atlantic coast of North America, known for its distinctive dark stripes running along its body.