Protein factors (IFs, EFs, and eRFs) play critical roles in each of the steps in translation of a message by the ribosome. Which of the following general statements pertaining to their functions and mechanisms of action is/are true?A. Some of these factors bind tRNA and facilitate their binding to the appropriate sites in the ribosome. B. Some of these factors bind GTP and rely on their hydrolysis to GDP to signal the correct interactions. C. These factors are involved in initiation, elongation, and termination of translation. D. Two of the above. E. All of the above.