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During RNA processing a (n) _____ is added to the 3' end of the RNA. 3' untranslated region. a long string of adenine nucleotides. 5' untranslated region. coding segment. modified guanine nucleotide.
During RNA processing a (n) _____ is added to the 3' end of the RNA. - 3' untranslated region. -a long string of adenine nucleotides.
During RNA processing a (n) _____ is added to the 3' end of the RNA. a long string of adenine nucleotides. Spliceosomes are composed of _____. small RNAs and proteins. The RNA segments joined to one another by spliceosomes are _____. exons.
A poly (A) tail is added to the 3′ end of the pre-mRNA once elongation is complete. The poly (A) tail protects the mRNA from degradation, aids in the export of the mature mRNA to the cytoplasm, and is involved in binding proteins involved in initiating translation.
The three most important steps of pre-mRNA processing are the addition of stabilizing and signaling factors at the 5' and 3' ends of the molecule, and the removal of intervening sequences that do not specify the appropriate amino acids.
As discussed previously, eukaryotic mRNAs are capped at their 5' end and polyadenylated at their 3' end. In vitro assays for these reactions have been developed, and several of the enzymatic activities have been identified.
Biology questions and answers. During RNA processing a (n)___ is added to the 3' end of the RNA.modified guanine nucleotide. Your solution’s ready to go! Enhanced with AI, our expert help has broken down your problem into an easy-to-learn solution you can count on. See Answer.
Solution. Share Share. Here’s how to approach this question. Recall that during RNA processing, in the event of eukaryotic mRNA maturation, a poly-A tail is added to the 3' end of the RNA in a process known as polyadenylation. Step 1. Answer: The correct answer is: B. a long string of adenine nucleotides. Explanation: View the full answer Step 2.
The 3′ end of the exon is cut and joined to the branch site by a hydroxyl (OH) group at the 3′ end of the exon that attacks the phosphodiester bond at the 3′ splice site. As a result, the...
Ribonucleotides are added one after another to the growing 3′ end of the RNA transcript, the identity of each nucleotide specified by the base-pairing rules: A base-pairs with T or U; G base-pairs with C.