The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
A. Acrylamide solution, identical charge, mass
B. Polyacrylamide gel, identical charge, density
C. Polyacrylamide gel, identical density, mass
D. Polyacrylamide gel, identical charge, mass
Answer:D
The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
A. Acrylamide solution, identical charge, mass B. Polyacrylamide gel, identical charge, density C. Polyacrylamide gel, identical density, mass D. Polyacrylamide gel, identical charge, mass