The chief problem with previous methods for visualizing transcription in mammalian cells is that these require researchers to blast cells with hundreds of copies of the specially tagged gene.
以前的哺乳动物细胞基因转录可视化方法存在一个主要问题，那就是需要向细胞注入上百个特别标记的基因。
The impressively named chief cells secrete pepsinogen which, when it mixes with stomach acid, becomes an enzyme called pepsin.
而令人印象深刻的主细胞则分泌胃蛋白酶原，当它与胃酸混合时，就形成一种酶，叫做胃蛋白酶。
Chief cells make and secrete pepsinogen.
主细胞制造和分泌胃蛋白酶原。
The enzyme's chief duty is to support the pathway that ensures that cells remain healthy and clutter free by breaking down proteins that are misfolded or have outlived their usefulness.
这种酶的主要功能是支持确保细胞健康的通路，并降解清理那些错误折叠的或已经完成使命的蛋白质。
On the contrary, parietal cells percentage reduced with the increase of chief cells.
壁细胞的比率变化与主细胞正好相反，随主细胞比率增加而减少。
In mammalian dendritic cells, however, Amit and his colleagues discovered that Timeless is a chief regulator of anti-viral responses, controlling over 200 genes required to fight viruses.
Amit等发现：在哺乳动物树突状细胞，Timeless是抗病毒反应的主要调节因子，调控抵御病毒所需的200多个基因。
With transmission electron microscopy, the endoplasmic reticulum of the parathyroid chief cells in normal and cadmium-treated golden hamsters was observed.
用透射电镜对正常和镉处理后金黄地鼠甲状旁腺主细胞的内质网，进行了形态学观察。
At the same time, the percentage of chief cells reached from original 67.7% (1kg) to 72.37%(20kg).
此时，腺体主细胞的比率也相应增加，由最初的67.7％增加到72.37％。
Objective:To establish the method of computer aided three dimensional (3 D) reconstruction from serial ultrathins and display the stereo configurations of chief cells of parathyroid gland.
目的：建立连续超薄切片计算机三维重建方法并显示甲状旁腺主细胞的立体形态。
This is thought to be one of the chief reasons cloned and parthenogenetic cells are abnormal.
据信这是克隆或单性生殖异常的主要原因之一。
The chief applications of the field grid cells include sampling navigation, the creation of a thematic map and grid cell identification in the field.
网格划分主要有采样导航、专题图制作和田间识别等重要应用。
The chief applications of the field grid cells include sampling navigation, the creation of a thematic map and grid cell identification in the field.
网格划分主要有采样导航、专题图制作和田间识别等重要应用。
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