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Figure 4


Fig. 4. Mean enzyme activities (Vmax) of phosphofructokinase (PFK), hexokinase (HK), citrate synthase (CS), pyruvate kinase (PK) and cytochrome c oxidase (COx) at different life stages. Bars indicate ± s.e.m.; N=9-11 thoraxes per life stage; yf, young forager; mf, mature forager; of, old forager.