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Degradation of mealworm shells and fly wings by stomach extract. Degradation products generated by incubation of (a) mealworm shells or (b) fruit fly wings with stomach extract were analyzed by FACE as described in the Methods. Full-length gels are shown in Supplementary Fig. S7. Microscopic observations of fruit fly wings incubated with (d,f,h) or without (c,e,g) stomach extract in 0.1 M Gly-HCl (pH 2.0). (c,d) steromicroscopic photographs. (e–h) SEM photographs.
