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| During division the micronucleus contains internal microtubules (mt) as well as a layer of b-tubulin, not in microtubular form, on or just inside the nuclear envelope (arrowheads). The section is immunogold labeled with anti-b-tubulin. EM taken on 7/8/96 by R. Allen with Zeiss 10A TEM. Neg. 19,800X. Bar = 0.2 µm. |
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