Protein involved in keeping the DNA single stranded during replication is
A. Ligase
B. Helicase II
C. Topoisomerase
D. SSB protein
Answer: Option D
Solution (By Examveda Team)
The protein involved in keeping the DNA single stranded during replication is SSB protein.During DNA replication, the single-stranded DNA binding protein (SSB) wraps single-stranded DNA (ssDNA) with high affinity to protect it from degradation and prevent secondary structure formation.
Although SSB binds ssDNA tightly, it can be repositioned along ssDNA to follow the advancement of the replication fork.

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