which of the following statements about e. coli rna polymerase (core enzyme) is false? group of answer choices in the absence of the s subunit, core polymerase has little specificity for where initiation begins. the core enzyme contains several different subunits. the core enzyme has no polymerizing activity until the sigma subunit is bound. the rna chain grows in a 5' to 3' direction. the rna product is complementary to the dna template.
