Prokaryotes lack organelles such as nucleoli, mitochondria, plastids, Golgi apparatus, and do not exhibit cyclosis.
原核细胞器,如核仁、粒、质、高尔,不出现胞质环流。
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Generally speaking, malignant cells are irregularly-shaped with darkly staining nuclei, enlarged nucleoli, and produce abnormal keratin that look like pearls - so they're called keratin pearls.
一般来说,恶性肿瘤细胞形态各异且细胞,伴有增大的仁,还会产生珍珠的异常角质——称作角化珠。
In prophase 2, we see the disappearance of the nucleoli and the nuclear envelope again as well as the shortening and thickening of the chromatids.
在前期 2,我们看到膜消失,色单体变短变厚。
And so those two parts together are synthesized in the nucleolus, which is going to be found in the nucleus.
这两部分在细胞内的仁中合成。
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