Which one of the following provides an example of the use of kinetic proofreading to increase the specificity of a biological process?
A) RNA polymerase folds around a newly formed base pair to check its correctness.
B) An aminoacyl-tRNA synthetase hydrolyzes an incorrectly attached amino acid.
C) The ribosome releases an incorrect aminoacyl-tRNA after GTP hydrolysis by EF-Tu.
D) DNA polymerase proofreads added nucleotides using its 3′-to-5′ exonuclease.