B As in A, Mitochondrial translation products were labeled for increasing time (10 and 20 minutes) in HeLa cells. The number of analyzed cells was increased in the plots from 25 to 300 per time point. 150 or 300 random cells from N = 3 independent experiments were analyzed. Kruskal-Wallis followed by Fisher's test. ****p < 0.0001. Error bars, +/- SEM. 