First slide

Translation

Question

The untranslated regions

Easy

A

are present only at 3' -end of mRNA
B

are present only at 5' -end of mRNA
C

are present at both 5' -end and at 3' -end of mRNA
D

decreases the efficiency of the translation process.

Solution

An mRNA also has some additional sequences that are not translated and are referred as untranslated regions (UTR). The UTRs are present at both 5' -end (before start codon) and at 3' -end (after stop codon). They are required for efficient translation process.

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