Biochemistry Basics – 21915


A protein with a molecular weight of 100 kD is subjected to SDS PAGE electrophoresis. The SDS PAGE electrophoresis pattern shows two widely separated bands of 20kD and 30kD after the addition of Mercaptoethanol. The true statement regarding this will be-

A. The protein has undergone complete lysis

B. The protein is a monomer of 20 kD and 30kD protein

C. The protein is a dimer of two 20kD and 30kD proteins

D. The protein is a tetramer of 20kd and 30kD proteins


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