The factors that are not involved in the construction of the basal transcription apparatus are :
Basal transcription involves the factors which are necessary for the proper functioning of the RNA polymerase at a transcription site in eukaryotes.the factors are basically a set of proteins such as TFIIA
Hence we can conclude that the factors that are not involved in the construction of the basal transcription apparatus are Optional general transcription factors and Transcriptional activator proteins.
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