The interphase micronucleus has only a small amount of b-tubulin in its matrix or on its nuclear envelope. Segments of microtubules (arrowheads) are scattered in the cytosol. Immunogold labeled for anti-b-tubulin. EM taken on 7/8/96 by R. Allen with Zeiss 10A TEM. Neg. 12,000X. Bar = 0.5 µm. |
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