Which of the following statements about the mRNA start codon is INCORRECT?

A. The start codon specifies the amino acid methionine.
B. The start codon is only a few nucleotides from the ribosomal binding site.
C. The start codon defines the reading frame.
D. The start codon is usually GGA.
E. The start codon is usually AUG.


Answer: D

Biology & Microbiology

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