To Express a Eukaryotic Protein in E

Multiple Choice

To express a eukaryotic protein in E.coli,the eukaryotic cDNA must be cloned in an expression vector.What does the expression vector need to contain?

A) promoter and ribosomal-binding site
B) promoter and transition start site
C) ribosomal-binding site and hybridization complex
D) introns and exons