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| Another view of microtubular ribbons in which the periodic structure of the tubulin units can be seen along the length of the microtubules (view at high magnification). Short bridges link the microtubules side to side within a ribbon. Many carrier vesicles (cav) lie on the same side of the several ribbons exposed in this quick-freeze deep-etch replica. In this image the vesicles appear to lie beneath the ribbons. EM taken on 5/26/92 by R. Allen with Zeiss 10A TEM. Neg. 19,800X. Bar = 0.2µm. |
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