nuclear membrane 核膜
nuclear envelope 核被膜
chromatin 染色质
nucleolus 核仁
genetic material 遗传物质
cell organelle 细胞器
prokaryote 原核生物
eukaryote 真核生物
1. The cell nucleus contains most of the cell's genetic material.
细胞核含有细胞的大部分遗传物质。
2. Scientists used a microscope to observe the structure of the cell nucleus.
科学家使用显微镜观察细胞核的结构。
3. Damage to the DNA within the cell nucleus can lead to serious diseases.
细胞核内DNA的损伤可能导致严重疾病。
4. In plant cells, the cell nucleus is often located near the periphery due to the large central vacuole.
在植物细胞中，由于巨大的中央液泡，细胞核通常位于边缘。
A: Where is the DNA located in a typical animal cell?
A：在典型的动物细胞中，DNA位于哪里？
B: It is stored in the cell nucleus.
B：它储存在细胞核中。
A: I see. Does the cell nucleus control the cell's activities?
A：明白了。细胞核控制细胞的活动吗？
B: Yes, it acts as the control center of the cell.
B：是的，它充当细胞的控制中心。
1) 细胞遗传控制中心
2) 真核细胞特有结构
3) 包含染色质和核仁的细胞器
1. 细胞核，细胞内含有遗传物质的主要结构。
e.g.The cell nucleus is the control center of the cell.
细胞核是细胞的控制中心。
noun
1. The membrane-bound structure in a eukaryotic cell that contains the genetic material (DNA) and controls the cell's activities.
Synonym: karyon, nucleus