Which of the following is not true about SDS polyacrylamide gel electrophoresis of proteins?
Which of the following is not true about SDS polyacrylamide gel electrophoresis of proteins?
A. Polyacrylamide acts as a molecular sieve.
B. It separates charged proteins by using an electric field.
C. Larger proteins move faster in the gel than smaller proteins.
D. It separates proteins that differ in molecular weight.
参考答案:This statement is true. Gel electrophoresis of proteins uses an electric field to move the negatively charged proteins toward the positively charged electrode.