Distinguish between sedimentation velocity and sedimentation equilibrium centrifugation (density gradient centrifugation).
a) Sedimentation velocity separates particles based on their sedimentation rates, while sedimentation equilibrium separates particles based on their buoyant density.
b) Sedimentation velocity separates particles based on their buoyant density, while sedimentation equilibrium separates particles based on their sedimentation rates.
c) Sedimentation velocity involves the establishment of an equilibrium between sedimentation and diffusion rates, while sedimentation equilibrium separates particles based on their molecular weight.
d) Sedimentation velocity involves the establishment of a density gradient, while sedimentation equilibrium separates particles based on their molecular charge.