Home » Electrophoresis MCQs » The role of urea in PAGE separation of DNA is to Electrophoresis MCQs The role of urea in PAGE separation of DNA is to September 23, 2022 29 Views Q. The role of urea in PAGE separation of DNA is to _______. Act as anionAct as cationHelps to denature the DNAProvide buffer stability of the gel Answer: Helps to denature the DNA