Rna processing involves the addition of to the ends of the rna transcript. rna processing involves the addition of to the ends of the rna transcript. extra nucleotides untranslated regions a coding segment extra amino acids exons

Extra nucleotides. Extra nucleotides

Explanation:

When the transcription of a gene ends, a poly(A) tail is added at the end 3' of the pre messenger RNA (mRNA)  The poly(A) tail  is a long sequence of several hundred adenine nucleotides. The polyadenylation is part of the the maturation process of the mRNA for translation. The poly(A) tail is important for stability of mRNA; eventually it is shortened and, when it is short enough, is enzymatically degraded.

the backbone of the dna and rna compound is sugar phosphate.

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