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>
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
<span>Avery Identified through a qualitative test that DNA was present. Through a chemical test he found that the make up was DNA. Through enzyme testing Avery found that only DNA degradation stopped transforming.</span>
