This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Okazaki fragment helps in: 
Select and explain. 
A. DNA replication, B. Translation, C. Protein synthesis, D. Transcription
A: DNA replication
Answer: A: DNA replication 
Explanation: A i.e. DNA replication