| 释义 |
cell nucleus
释义
细胞核：存在于真核细胞中的大型膜包结构。
例句
1·It is easily extracted, because it is one of a handful of genes found outside the cell nucleus , in structures called mitochondria.
它很容易提取，因为它是在细胞核之外、叫做线粒体的结构里被发现的少量基因之一。
2·Once synthesized, the histones move into the cell nucleus , where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.
一旦合成，组蛋白就会进入细胞核，细胞核内的 DNA 片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。
3·Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus .
哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。
|