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Fig. 1. Cryptocyanin and hemocyanin protein levels in the hemolymph during
sequential molt cycles of Cancer magister. Instar times expressed as
% molt cycle, adjusted to average duration for that instar stage (2nd instar
molt cycle averaged 16 days, while 6th instar averaged 30 days). Hemolymph
samples were run on non-denaturing, non-dissociating pH 7.4 PAGE. Protein
concentrations were determined from image analysis of gels using standard
curves of purified hemocyanin and cryptocyanin of C. magister. Data
expressed as means ±1 S.E.M. (2nd instar, N=13; 3rd
instar, N=23; 4th instar, N=23; 5th instar, N=16;
6th instar, N=5). Arrows indicate ecdysis.