A Biologist Wants to Construct an Expression Vector Using an Inducible

Multiple Choice

A biologist wants to construct an expression vector using an inducible promoter.Which promoter is an example of an inducible promoter?

A) A promoter that responds only in liver tissue
B) A promoter that responds only when a particular hormone is present
C) A promoter that responds all the time, regardless of conditions
D) A promoter that possesses signal sequences
E) A promoter whose gene produces a growth factor