Suppression of a nonsense mutation involves a change in nucleotide sequence of a

Question

Suppression of a nonsense mutation involves a change in nucleotide sequence of a tRNA molecule.

Part C) Why does such a mutation usually not have deleterious effects?

ConstantsI Periodic Table Suppression of a nonsense mutation involves a change in nucleotide sequence of a tRNA molecule. Part A What part of the tRNA molecule is changed? the D-loop the acceptor stem the TaiC-loop the tRNA anticodon Previous Answers Correct Part B How might this affect ranslation globally within a cell? This would result in early termination of translation in the place where the codon to the tRNA occurs. This would result in replacement of the amino acid coded by the original IRNA with another.

Explanation / Answer

A single mRNA has more than one stop codon. Thus, such a mutation will not have deleterious effect.

Thus, correct option should be :

Most mRNAs contain 2-3 stop codons in a row that will definitely stop translation.

(B)

Most mRNAs contain 2-3 stop codons in a row that will definitely stop translation.

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