| 释义 |
prokaryotic, a. Biol.|prəʊkærɪˈɒtɪk|
Also -caryotic.
[f. as prec. + -ic.]
Having no nuclear membrane in its cell; belonging to the group of organisms so characterized, which comprises bacteria and blue-green algæ. Opp. eukaryotic.
1957[see prokaryon a.]. 1969[see conidium]. 1974Taxon XXIII. 246 Cells with a general organization between entire prokaryotic and eukaryotic cells have not been found. 1976Sci. Amer. Feb. 35/2 Bacteria are prokaryotic cells, that is, their genetic material is distributed throughout the cytoplasm. 1976W. C. Schefler Biol. xiii. 242/1 Procaryotic cells..lack mitochondria, chloroplasts, an endoplasmic reticulum, Golgi bodies, and lysosomes. |