a. Class 1 aminoacyl tRNA synthetases attach the amino acid to the 2′ iOH group of the terminal nucleotide residue. Draw the ester formed when alanine is attached to the 2′ iOH group at the 3′-terminus of the tRNA below. b. Class 2 aminoacyl tRNA synthetases attach the amino acid to the 3′ iOH group of the terminal nucleotide residue. Draw the ester formed when serine is attached to the 3′ iOH group at the 3′-terminus of the tRNA above.
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