All these cells come from the bone marrow and biologists have traced the formation of these cells in great detail.
所有这些细胞都来自骨髓,而生物学家已经很详细地,研究了这些细胞的形成过程
It's a switch that from outside can be used to change the life of a cell.
这种来自外源的变化能够改变细胞的状态
Those billions of cells come from successive rounds of cell division.
这数以十亿计的细胞,都来自一次次的细胞分裂
The cells that take an electrical signal, which is coming down your nerve and convert it into a muscle contraction work this way, so 'neuro' nerve, muscle junctions act based on ligand-gated ion channels.
依靠相同的工作原理,细胞将来自于神经的,电信号传递到细胞收缩肌中,所以神经和肌肉关节运动,都基于配体门控离子通道
Because this post-synaptic neuron is going to be receiving different signals from different cells, it's decision about what to do next, and the what to do next is either create an actual potential or not create an action potential.
因此突触后神经元可以接收,来自不同细胞的不同信号,然后决定后续反应,后续反应包括产生动作电位,或者不产生动作电位
They come from B-cells, they come from B-cells that are activated with a specific antigen.
抗体来自于B细胞,它们来自于被特别的抗原所激活的B细胞
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