2.10: E. coli DNA polymerase I exhibits the following enzymatic activities: A. 5' to 3' polymerase activity, 3' to 5' exonuclease activity, and 5' to 3' exonuclease activity B. 5' to 3' polymerase activity and 5' to 3' exonuclease activity C. 5' to 3' polymerase activity and 3' to 5' exonuclease activity D. 5' to 3' polymerase activity E. 3' to 5' polymerase activity and 5' to 3' exonuclease activity 2.11: E. coli DNA polymerase III exhibits the following enzymatic activities: A. 5' to 3' polymerase activity, 3' to 5' exonuclease activity, and 5' to 3' exonuclease activity B. 5' to 3' polymerase activity and 5' to 3' exonuclease activity C. 5' to 3' polymerase activity and 3' to 5' exonuclease activity D. 5' to 3' polymerase activity E. 3' to 5' polymerase activity and 5' to 3' exonuclease activity