What is the significance of the protein p53 in relation to DNA?

Practice Questions

Q1
What is the significance of the protein p53 in relation to DNA?
  1. It promotes DNA replication
  2. It acts as a tumor suppressor by regulating the cell cycle
  3. It synthesizes RNA
  4. It repairs DNA damage

Questions & Step-by-Step Solutions

What is the significance of the protein p53 in relation to DNA?
  • Step 1: Understand that p53 is a protein found in our cells.
  • Step 2: Learn that p53 is known as a tumor suppressor protein, which means it helps prevent cancer.
  • Step 3: Know that p53 checks the DNA in our cells for any damage.
  • Step 4: If p53 finds damaged DNA, it can stop the cell from dividing.
  • Step 5: By stopping the cell from dividing, p53 helps prevent the spread of potential cancerous cells.
  • Step 6: p53 also helps repair the damaged DNA or can trigger the cell to die if the damage is too severe.
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