Which of the following is NOT a STOP codon? - ProProfs Discuss
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Which of the following is NOT a STOP codon?





A. UGA
B. UAG
C. UAA
D. UGG

This question is part of Unit 5 Exam (part A)
Asked by Awest, Last updated: Nov 01, 2019

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2 Answers

A. Lucius

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A. LuciusSenior Content writer, Diploma in Literature, Dover, Delaware
Senior Content writer, Diploma in Literature, Dover, Delaware

Answered on Nov 01, 2019

The correct answer to the question is option D – UGG. The stop codon is nucleotide triplets that are found in mRNA. Stop codon serve as signals for the termination of translation. These codons are also known as termination codons or nonsense codons. There are three standard stop codons found in mRNA.

They are UAG, UAA, and UGA. UAG is known as an amber stop codon, UAA is an ochre codon, and UGA is known as an umber stop codon. Stop codon work by binding to release factors. This causes dissociation of ribosomal subunits, and this will cause the release of the amino acid chain produced. Of all the options listed above, only option D (UGG) is not a stop codon.

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awest

Awest

Answered on Mar 07, 2018

UGG

Stop = UGA, UAG, & UAA
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