What is a potential advantage of using 2D gel electrophoresis over SDS-PAGE in protein analysis?

• A. 2D gel electrophoresis provides detailed structural information.
• B. 2D gel electrophoresis uses antibodies for protein detection.
• C. 2D gel electrophoresis can separate proteins based on both charge and pH, allowing for more comprehensive analysis.
• D. 2D gel electrophoresis is faster and requires less sample preparation.

Answer: (C)