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In a Mixture of the Five Proteins Listed Below, Which

Question 25

Multiple Choice

In a mixture of the five proteins listed below, which should elute second in size-exclusion (gel- filtration) chromatography?


A) cytochrome c Mr = 13,000
B) immunoglobulin G Mr = 145,000
C) ribonuclease A Mr = 13,700
D) RNA polymerase Mr = 450,000
E) serum albumin Mr = 68,500

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