Transmission electron micrograph of a section through a 3-day old chick embryo obtained from an egg that was maintained in a cold room for 24 hrs. Ribosomes have crystallized both in the cytoplasm and nucleus.
See: T. Morimoto et al. 1972. Ribosome crystallization in chicken embryos. I. Isolation, characterization, and in vitro activity of ribosome tetramers. J Cell Biol 52:355-366. B. Byers 1966. Ribosome crystallization induced in chick embryo tissues by hypothermia. J Cell Biol 30:C1-6. Original 3.25 in. x 4 in. lantern slides were scanned at 600dpi
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