Multiple Choice
What is the function of single-strand binding protein (SSB) (helix stabilizing protein) ?
A) It stabilizes nicks on the lagging strand during replication until DNA ligase seals the nick.
B) It recognizes thymine dimers in DNA,which make the DNA single-stranded,and serves as a signal for the activation of repair proteins.
C) It stabilizes many forms of RNA which are single-stranded.
D) During replication it binds to single-stranded regions of the lagging strand and prevents it from folding back on itself into double-helical regions.
Correct Answer:

Verified
Correct Answer:
Verified
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