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. 2021 Jun 21;12:669096. doi: 10.3389/fpls.2021.669096

FIGURE 3.

FIGURE 3

Activities of antioxidant enzymes ascorbate peroxidase (A), dehydroascorbate reductase (B), and glutathione reductase (C) in the marine alga U. compressa cultivated in seawater without cadmium addition (open circles) and with 10 μM of cadmium (black circles) for 0 to 7 days. Enzyme activities are expressed as micromoles per minute per gram of proteins. Symbols represent mean values of three independent experiments. Different letters indicate significant differences among mean values (±SD) (P < 0.05).