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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Mitochondrion. 2006 Aug 3;6(5):235–244. doi: 10.1016/j.mito.2006.07.008

Fig. 4.

Fig. 4

Sub-mitochondrial particles from MH-S cells exhibit low complex I activity. (A) Changes in absorbance by sub-mitochondrial particles from A549 (□) and MH-S (Δ) cells. Kinetic changes in complex I activities were determined using equal amounts (25 μg/ml) of sub-mitochondrial particles. ***p < 0.001. (B) Relative activities of respiratory complexes I and II in A549 and MH-S cells. Sub-mitochondrial particles were isolated and activities were determined as described in Section 2. Results are means ± SEM (n = 3–4). **p < 0.01, ***p < 0.001, ****p < 0.0001. MT, mock-treated.