Answer:
RNA polymerase creates mRNA when it is is in the starter called Positive transcription factor 5. What does the “mRNA destroyer” do? It destroys the mRNA when there is enough mRna 6. ... Negative transcription doesn't allow mRNA to produce more 7.
Explanation:
I think it would be D hope this helps
Volcanoes on mars kinda look like craters on earth. They look like mounds, its hard to explain.
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