The E. coli DNA polymerase enzyme gives different domains with different activities on cleaving with protease subtilisin. Which of the following statements is correct with respect to the fragments generated?

• A. The smaller fragment is having C terminal and the larger fragment is having N terminal
• B. The smaller fragment is named as Klenow fragment and the intact molecule is called as Kornberg fragment
• C. The smaller fragment is having 5’-3’ exonuclease activity whereas the larger fragment is having 5’-3’ polymerase and 3’-5’ exonuclease activity
• D. Both the fragments are having 5’-3’ polymerase and 3’-5’ exonuclease activity