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Question

All of the following are found in prokaryotic messenger RNA except

A
AUG
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B
UGA codon
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C
introns
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D
uracil
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Solution

The correct option is C introns
Introns are the non-coding regions of an RNA transcript, or the DNA encoding it. These non-coding regions are eliminated by splicing before translation. Introns are found only in eukaryotes.
Rest of the three options, AUG, UGA codon and uracil are all present in prokaryotic messenger RNA.

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