| 单词 | nucleoplasmic ratio |
| 释义 | > as lemmasnucleoplasmic ratio 2. = nucleocytoplasmic adj. at nucleo- comb. form 1b. Esp. in nucleoplasmic ratio. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [adjective] > having nucleus > nucleus and cytoplasm nucleocytoplasmic1905 nucleoplasmic1908 1908 Bot. Gaz. 46 232 R. Hertwig proposed an entirely new interpretation of synapsis, deduced from his theory of nucleoplasmic relation... After cell division, the increase of protoplasm and of nucleus cannot proceed equally, the former generally being ahead of the latter; so the nucleoplasmic quotient (K/P) tends to diminish. 1929 Bibliographia Genetica 5 153 Hertwig held that the quantative nucleo-plasmic relation is likewise connected with the differentiation of the two sexes, in individuals and gametes. 1936 Amer. Jrnl. Bot. 23 605/2 The nucleoplasmic ratio, or relationship between the volume of the nucleus and that of the cytoplasm, is difficult to determine in most plant cells because of the high degree of vacuolation. 1992 Amer. Jrnl. Bot. 79 176/1 At the callus periphery, highly meristematic cells were actively dividing (high nucleoplasmic ratio and cytoplasm with a particularly high soluble protein content). < as lemmas |
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