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General transcription factors are required for accurate initiation of transcription by RNA polymerase II .
 General transcription factors, RNA polymerase II, transcription factors
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 General transcription factors, RNA polymerase II, transcription factors