Biochemistry GTP is required by which of the following steps in protein synthesis? A Aminoacyl--tRNA synthetase activation of amino acids B Attachment of mRNA to ribosomes C Attachment of ribosomes to endoplasmic reticulum D Translocation of tRNA--nascent protein complex from A toP sites 💡 Explanation GTP is required by which of the following steps in protein synthesis? ✓ Correct Answer: D. Translocation of tRNA--nascent protein complex from A toP sites