Which one among the following is just a cloning plasmid not an expression plasmid

Options

A. pBAD–18–Cam
B. pBCSK
C. pUC18
D. pET

Answer

C

Explanation

A cloning plasmid is a DNA molecule which can replicate in a suitable host organism and into which a fragment of foreign DNA can be introduced. pUC18 is one of a series of plasmid cloning vector