Which one of the following triplet codon is known as initiation codon?
A
UUU
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B
UAA
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C
AUG
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D
UGA
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Solution
The correct option is C AUG The start codon is the first codon of a messenger RNA (mRNA) transcript translated by a ribosome. The start codon always codes for methionine in eukaryotes and a modified Met (fMet) in prokaryotes. The most common start codon is AUG.