The Effect of Growth in 99.8 Deuterium Oxide on the Ultrastructure of Winter Rye 1

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RESUMO

A preliminary report dealing with the ultrastructural effects of culture in a 99.8% D2O (deuterium oxide) environment on winter rye (Secale cereale L. cv. Winter) is presented. In general, the cells of D2O-cultured seedlings appeared similar to the cells of H2O-cultured seedlings. However, differences were found in chloroplast and dictyosome morphology, and ribosome number.

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