In anion exchange chromatography ..... Select one: O a. the column contains both positive and negatively charged beads where proteins bind depending on their net charge O b. the column contains positively charged beads where negatively charged proteins bind O c. the column contains negatively charged beads where positively charged proteins bind ---- way The measurement of intensity of fluorescent X-rays provide a simple and of analysis. Fill in the blanks. Select one: O a. Destructive, quantitative b. Non-destructive, qualitative c. Non-destructive, quantitative O d. Destructive, qualitative