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Figure 2


Fig. 2. Dark-field micrographs of flagella treated with PRODAN-UV `locally' in the presence of ATP and trypsin. Limited disintegration of flagella was observed in the region without PRODAN-UV treatment. (A) Basal region of the flagellum treated with PRODAN-UV (the region between two arrowheads). (B) Distal region of a flagellum treated with PRODAN-UV (the region between two arrowheads). The arrow marks microtubules that came out loose.