84. 如下圖所示之電路，求 V 為多少伏特(V)？初等考 111 (A)16/20 (B)36/12 (C)42/22 (D)64/15

1. By adding SDS (sodium dodecyl sulfate) during the electrophoresis of proteins, it is possible to: (A) determine a protein’s isoelectric point (B) determine an enzyme’s specific activity (C) determine the amino acid composition of the protein (D) preserve a protein’s native structure and biological activity (E) separate proteins exclusively on the basis of molecular weight.