In gel electrophoresis, DNA molecules move toward the ________ electrode because they have an overall ________ charge.
A) negative; negative
B) positive; positive
C) negative; positive
D) positive; negative
E) negative and positive; neutral

Question

Quizplus · Accepted Answer

DNA molecules have an overall negative charge due to their phosphate backbone and move toward the positive electrode in gel electrophoresis.

In Gel Electrophoresis, DNA Molecules Move Toward the ________ Electrode