Gel Electrophoresis
The subunit molecular weight as well as the number of subunits in the quaternary structure can be determined by

isoelectric focusing
combining information from (a)and (b)
gel filtration chromatography
SDS-PAGE electrophoresis

ANSWER DOWNLOAD EXAMIANS APP

Gel Electrophoresis
In an SDS-PAGE

proteins are denatured by the SDS
All of these
proteins have the same charge-to-mass ratio
smaller proteins migrate more rapidly through the gel

ANSWER DOWNLOAD EXAMIANS APP