1 pts Question 1 Which of the following contribute to the fact that the RNA proc

Question

1 pts Question 1 Which of the following contribute to the fact that the RNA processing steps we discussed are specific for mRNA? Select all that apply. o Because mRNA is the only RNA thatneeds to be exported from the nucleus. o Because RNA polymerase II is the only polymerase with a CTD O Because mRNA is the only RNA susceptible to exonucleases. C Because the processing enzymes associate with the phosphorylated CTD. Because mRNA nucleotides are structurally different which allows for splicing. 1 pts Question 2 Imagine the branch point A in an intron was a DNA nucleotide instcad of an RNA nucleotide, The remainder of the mRNA molecule remains

Explanation / Answer

Question 1: Because RNA polymerase II is the only polymerase with a CTD.

Because the processing enzymes associate with the phosphorylated CTD.

Question 2: No, because only RNA nucleotides have 2' OH group

Question 3: This was necessary to make cDNA from all the fragments

Question 4: If they were random degradation fragments of RNA then they would be random sizes.

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