34. Which of the following is not true?
(A) A single activating enzyme can interact with all the tRNAs for its corresponding amino acid
(B) The selectivity of the aminoacyl-tRNA synthetases for their tRNA molecules is ofien called the second genetic code
(C) There are two major classes of aminoacyl-tRNA synthetases
(D) aminoacyl-tRNA synthetases link amino acids to tRNA molecules without the need for an energy source

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統計： A(0), B(0), C(1), D(0), E(0) #2773384