Catalase Activity in Brown Mussels (Perna perna) under Acute Cadmium, Lead, and Copper Exposure and Depuration Tests

Figure 2

Mean (± SD) variation of catalase activity in Perna perna of control and Cd-exposed (a), Pb-exposed (b), and Cu-exposed mussels (c) after 72 h exposure. Values followed by the same letter are not statistically different () but values followed by the different letter are statistically significant ().

(a)

(b)

(c)