10089
Bacterial transcription is initiated after RNA polymerase ( RNAP ) binds to promoter DNA , melts ~ 14 bp around the transcription start site and forms a single - stranded " transcription bubble " within a catalytically active RNAP - DNA open complex ( RP ( o ) ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None