the two main processes are: transcription and translation
Explanation:
sensory so hard but I will try
A chromosome contains one long DNA strand.
B.
Just as stated and also explained, the correct answer is <span>a long chain of adenine nucleotides is added to the 3' end of mRNA during terminationof transcription. That is the only statement that is true about the polyadenylation mechanism. Hope this is helpful</span>