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Fig. 15: Pca - mitochondrion with tubular and helically wrapped cristae

Tubular cristae in the mitochondria of Paramecium caudatum sometimes wrap around one straight tubule in a helical fashion (arrow). The significance of this structural modification is unknown. EM taken on 6/5/69 by R. Allen with Philips 300 TEM. Neg. 14,800X. Bar = 0.5µm. Small part published in Görtz (ed.), Paramecium, Springer-Verlag, Berlin, p.12, 1988.
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