Question

During agarose gel electrophoresis, DNA moves

• A. towards anode, as it is negatively charged.
• B. towards anode, as it is positively charged.
• C. towards cathode, as it is negatively charged.
• D. towards cathode, as it is positively charged.

Answer 1

Answer: (A)

The progression of the digestion is analyzed by agarose gel electrophoresis. DNA is negatively charged and it progresses towards the anode, the positively charged electrode through the matrix/agarose gel.