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| A portion of tubular ER showing ribosomes attached to its cytosolic surface and a double row of IMPs in its fractured membrane. These IMPs may be the translocons within the ER membrane used to translocate nascent proteins into the ER lumen. m, mitochondrion; lip, lipid body. EM taken on 5/12/91 by R. Allen with Zeiss 10A TEM. Neg. 19,800X. Bar = 0.2µm. Published in Int. Rev. Cytol. 198:277-318, 2000. |
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