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Fig. 5: DNA replication band in macronucleus

Like hypotrichs the macronucleus of this oligotrich has a DNA replication band (rep b) where DNA is synthesized. fv, food vacuole; no, nucleolus. EM taken on 3/9/71 by R. Allen with Hitachi HU11A TEM. Neg. 13,750X. Bar = 0.5µm.
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