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Which of the following statements about sequence proofreading during DNA replication by DNA polymerase III is FALSE(a) The exonuclease activity is in a different domain of the DNA polymerase(b) The exonuclease activity cleaves DNA in the 5'-to-3' direction(c) The DNA proofreading activity occurs concomitantly with strand elongation(d) If an incorrect base is added, it is "unpaired" before removal
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