When plasmids are used to produce a desired protein, the ________.
A)plasmids multiply and produce the protein outside of the bacterium B)bacterial chromosome is genetically engineered, and the plasmid is used to help the bacterium replicate C)desired gene is inserted into the plasmid, and the plasmid is taken up by the bacterium D)bacterial genome and plasmid are inserted into the genome of the cell containing the desired gene