The genes that control the body clock are most active in parts of the brain called the suprachiasmatic nuclei.
控制节律钟的基因在视交叉上核（大脑的某个部位）上表现得最为活跃，但是与其他基因一样，它们在几乎所有细胞中都存在。
For years, scientists thought that neurons in the brain's suprachiasmatic nuclei, or SCN, regulated our body clocks by firing a lot during the day and less at night.
很多年来，科学家们认为大脑的视交叉上核(scn)是生物钟中枢，具体机制是此处的神经元白天比夜间更兴奋。
Unlike the rest of the cells in your body, your red blood cells lack nuclei.
不同于身体的其他细胞，你的红细胞是没有细胞核的。
The body coil is a transmit and receive coil, which excites nuclei and collects signals as the nuclei relax.
体线圈是一个发送和接收线圈，激发原子核，并收集信号的核放松。
The equation works on every body of matter and every particle of matter in the universe, including black holes, neutron stars, white dwarf stars, stars, and nuclei.
这个方程既适用于黑洞、中子星、白矮星及恒星，也适用于原子核。
The fragmentation of the infected cell nuclei and apoptotic body were observed by DAPI.
DAPI荧光染色显示感染细胞核渐呈半月形，直至碎裂被凋亡小体包裹。
Electron dense body-like core and plate structure were observed both in nuclei and cytoplasm.
细胞核和细胞质内均可见核心样电子致密体和布纹样结构。
Electron dense body-like core and plate structure were observed both in nuclei and cytoplasm.
细胞核和细胞质内均可见核心样电子致密体和布纹样结构。
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