The rate of transcription initiation of an E.coli gene would be expected to increase as a result of...
a) an increase in anti-sigma factor concentration.
b) making a perfect match between a promoter sequence and its consensus sequence.
c) moving the -10 promoter element closer to the transcription initiation site (+1).
d) a decrease in sigma factor concentration.
e) removing UP elements upstream of -35 promoter element.