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Translation Initiation
Grade Level
AP Biology
APB.311 Translation Initiation
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A figure shows AUG recognized in the mRNA but labels the first amino acid as 'uracil.' Which correction is most accurate?
A
Uracil is the amino acid carried by the initiator tRNA at AUG.
B
Uracil is a nucleotide base in RNA; methionine is the amino acid specified by AUG at initiation.
C
Methionine is a DNA base that replaces uracil during initiation.
D
AUG is a stop codon, so no amino acid can ever be associated with it.
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