Once elongation is underway, tRNAs involved in the process occupy a series of sites on the complexe… Show more Once elongation is underway, tRNAs involved in the process occupy a series of sites on the complexed ribosome. The occupation of sites occurs in the following order. A) A Site, P Site, E Site, S Site B) P Site, E Site, A Site C) A Site, S Site, E Site D) A Site, P Site, E Site When a peptide bond is formed between two amino acids, one is attached to the tRNA occupying the P site and the other _______. A) is free in the cytoplasm B) Is attached to the tRNA occupying the E site C) is attached through hydrogen bonds to the mRNA D) is attached to the tRNA occupying the A site Which of the following statements concerning peptide bond formation is correct? A) It is catalyzed by an enzymatic protein. B) It uses water C) It requires GTP D) It is catalyzed by peptidul transferase • Show less



