After Replacing The Yeast Promoter With And E Coli Promoter You Are Pleased To Detect Rna From The Yeast Gene But

Question

After replacing the yeast promoter with and E. coli promoter you are pleased to detect RNA from the yeast gene but

are confused because the RNA is almost twice the length of the MRNA from this gene isolated from yeast. Explain why this result may have occured

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