Biochemistry Klenow fragment is formed by loss of fragment having which activity: A 5'- 3' polymerase B 3'- 5' exonuclease C 5'- 3' exonuclease D 3'- 5' polymerase 💡 Explanation Klenow fragment is formed by loss of fragment having which activity: ✓ Correct Answer: C. 5'- 3' exonuclease