Individual cells of the pancreas are capable of - of a healthy pancreas are capable of both sensing glucose and secreting insulin.

每一个健康胰腺细胞,都可以感知血液中葡萄糖浓度,并分泌胰岛素

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In the case of a ligand-receptor, a chemical signal in the form of a concentration of ligand gets converted into a biochemical signal.

在配体-受体系统中,配体浓度这种化学信号,转化为生化信号

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If you looked at the antibodies that were present in the blood, for example, you would find that most of those antibodies are IgM during this initial period of antibody concentration rise.

如果你现在观察血液中存在的抗体,举个例子,在初次免疫的抗体浓度上升阶段,你将会发现大部分的抗体都是IgM

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