Some vectors carry a mutant form of promoter known as lacUV5 promoter. It carries ______ in the promoter region and _____ the efficiency

Q. Some vectors carry a mutant form of promoter known as lacUV5 promoter. It carries ______ in the promoter region and _____ the efficiency.

A.            point mutations, decreases

B.            point mutations, increases

C.            frameshift mutations, increases

D.            frameshift mutations, increases

Answer: point mutations, increases