Fig. 6.
State 3 respiration (A), state 4 respiration (B), and RCR (C) in mitochondria isolated from cardiac tissue of sedentary, exercise-cold, and exercise-cold-Dox animals. The left column illustrates data obtained using Pyr/Mal as substrate, whereas the right column shows data obtained using Suc as substrate. Data are presented as means ± SD. Sedentary, n = 7; exercise-cold, n = 6; and exercise-cold-Dox, n = 6. *P < 0.05 compared with sedentary.