Question: Explain the figure 2. below in detail. Figure from this article "Molecular evolution of an arsenate detoxification pathway by DNA shuffling" (Crameri, 1997).

A B 400 400- 400- Arsenate Arsenate Arsenite AC3 300- 300 300 TG1 10 Culture Turbidity (Klett Units) 200- 200 - 200 AC3 TGI 100- 100 100- AC3 TG1 TG1103 TG" ITG 0- 7 40 80 120 180 200 250 300 mM Arsenate 200 500 20 76676 12 mM Arsenite mM Arsenate Figure 2. Resistance to arsenate (A,B) and arsenite (C) before and after DNA shuffling. Arsenate and arsenite resistance for E. coli strain TG1 without a plasmid; TG1(PGJ103), containing the wild-type ars operon; and AC3, which is TG1(PGJ103) after three rounds of evolution. A composite of four independent experiments