What is a key difference between circular and linear DNA in terms of supercoiling?

• A. Linear DNA is more susceptible to supercoiling due to its open structure.
• B. Circular DNA is more susceptible to supercoiling due to its closed structure.
• C. Circular DNA is less affected by supercoiling due to its shape.
• D. Both circular and linear DNA are equally susceptible to supercoiling.

Answer: (B)