7219
The reconstituted RNA polymerases containing the mutant alpha subunits were examined for their response to transcription activation by cAMP - CRP and the rrnBP1 UP element .
 GENE: RNA polymerases; GENE: cAMP - CRP; GENE: rrnBP1 UP element
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: RNA polymerases, cAMP - CRP, rrnBP1 UP element 
Answer:
 GENE: RNA polymerases; GENE: cAMP - CRP; GENE: rrnBP1 UP element