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Ile-TRNA Synthetase

Question 70

Multiple Choice

Ile-tRNA synthetase:


A) has an acylation site that rejects amino acids that are smaller than the correct one.
B) has a hydrolytic site that destroys activated intermediates that are larger than the correct species.
C) has no proofreading ability.
D) is unable to incorporate valine or leucine into aminoacylated tRNA structures.
E) catalyzes aminoacylation of tRNA whereby the carboxyl group of an amino acid is joined to the 3´-OH of a tRNA.

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