Multiple choice

What is the role of single strand binding proteins (SSB) during DNA replication?

  1. Break hydrogen bonds to allow for separation of DNA strands

  2. Allow for supercoiling of the DNA

  3. Stabilize DNA strand + prevent a double helix from reforming

  4. Join the Okazaki fragments together
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Single-strand binding proteins (SSB) bind to the separated DNA strands to prevent them from re-annealing or forming secondary structures, keeping the template accessible for replication.

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