The Structural Similarities of EF-G and the EF-Tu·tRNA Complex Indicate

The structural similarities of EF-G and the EF-Tu·tRNA complex indicate

A) EF-G may be used as a substitute for EF-Tu.
B) EF-G may play a role in displacing the tRNA growing peptide.
C) EF-G may mediate a change in conformation that facilitates EF-Tu binding.
D) EF-G may be involved in facilitating binding of initiation factors.
E) EF-G and EF-Tu are both required for proper initiation.