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QUESTION 29 How long would a mRNA coding for a protein with 106 amino acids be if it had 5 and 3 UTRs of 30 bases each? (As

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Answer #1

the mature mRNA contains the exons which codes for the amino acids and the 5` and 3` UTRs.

a codon is a three-nucleotide sequence that codes for an amino acid. there will be one-stop codon at the end which does not code for any amino acid, so number nucleotides in the coding region=106\times3+1=319 nucleotides.

then adding 30 nucleotides at each end the total length of the mRNA=319+30+30=379 nucleotides

so the answer is 379 nucleotides.

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