31. At what point does the formylation reaction take place to produce N-formylmethionine?
(A)On the free amino acid prior to its addition to a tRNA.
(B) After methionine has been added to a specific tRNA.
(C) After the methionine-tRNA adduct has complexed with the ribosome.
(D)After the first peptide bond is formed on the ribosome.