Assertion: chloroplast's gene | /r/HasProperty | transcribed by at least three rna polymerases
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text: Chloroplast genes are transcribed by at least three RNA polymerases: one bacterial-type plastid-encoded polymerase (PEP), composed of four basic core subunits (rpoA, rpoB, rpoC1 and rpoC2) and two nuclear-encoded polymerases (NEP): RPOTp and RPOTmp (RNA polymerases of the T3/T7 type targeted to the chloroplast and to both mitochondria and chloroplasts, respectively) .