Question

Which option shows correctly labelled region in the given diagram of DNA replication?

• A. A, C
• B. Only C
• C. A,B
• D. B, C

Answer 1

Answer: (B)

Only C

DNA polymerase has 5'-3' activity. The DNA template is read in 3' to 5' direction whereas a new strand is synthesized in the 5' to 3' direction. Hence A and B are incorrect. only the lagging strand is properly labeled. Thus the correct answer is option B.