85. 如下圖所示之電路，端點 c 與端點 d 之間的等效電阻 R 為多少歐姆(Ω)？初等考 111 (A)8 (B)16 (C)24 (D)36

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.