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What is the role of single-strand binding proteins (SSBs) during DNA replication

Practice Questions

Q1
What is the role of single-strand binding proteins (SSBs) during DNA replication?
  1. Preventing DNA from re-annealing
  2. Synthesizing new DNA strands
  3. Repairing DNA
  4. Unwinding DNA

Questions & Step-by-Step Solutions

What is the role of single-strand binding proteins (SSBs) during DNA replication?
  • Step 1: During DNA replication, the double-stranded DNA unwinds to form two single strands.
  • Step 2: These single strands need to stay separate so that they can be copied.
  • Step 3: Single-strand binding proteins (SSBs) attach to the single-stranded DNA.
  • Step 4: The SSBs prevent the single strands from sticking back together (re-annealing).
  • Step 5: This allows the DNA replication machinery to work effectively on each single strand.
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