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Averaged images of basal bodies. (A) Average of wild-type basal bodies embedded in vitreous ice. The M and C rings are labeled MR and CR, respectively. (B) Average of basal bodies from the deletion-fusion mutant. (C) Average of basal bodies from the full-length fusion mutant. The bar in each image is drawn to the same length to demonstrate the change in the diameter of the C ring. (Bar = 100 Å.)
