If the cholera toxin is present, the toxin binds to the dextran because its chemical structure is similar to the cholera toxin receptor (GM1) found on the surface of cells in a victim's gut.
如果水样中有霍乱毒素，霍乱毒素将会附着在葡萄聚糖上，因为葡萄聚糖的化学结构与死于霍乱的死者肠道细胞表面上发现的霍乱毒素受体(神经节苷脂gm1)很相似。
We were surprised to see that gut microbes had such dramatic effects on the structure and function of the intestine.
我们很惊讶地发现肠道微生物对肠道结构和功能有如此巨大的影响。
In this experiment, The structure of gut-associated lymphoid tissue(GALT) of semi-muscovy ducks were studied by light, scanning electron microscope and transmission electron microscope.
本试验通过光镜、扫描电镜及透射电镜，对半番鸭小肠的肠相关淋巴组织（GALT）的结构进行了研究；
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