n.趋化作用，趋化现象，趋药性，钳性

Chemotaxis is the directed movement of cells in response to a chemical gradient.
化学趋动是指细胞对化学梯度的定向移动。
E. coli bacteria exhibit chemotaxis towards food sources, such as glucose.
大肠杆菌表现出向葡萄糖等食物源的化学趋化性。
In insects, chemotaxis helps guide them to flowers for pollination.
在昆虫中，化学趋动有助于引导它们进行授粉。
Neutrophils use chemotaxis to migrate to sites of infection or injury in the body.
中性粒细胞利用化学趋动性在体内迁移到感染或受伤部位。
Chemotaxis plays a crucial role in the immune system's ability to locate and destroy invading pathogens.
化学趋化在免疫系统定位和消灭入侵病原体中起着关键作用。
Cells in the slime mold Dictyostelium discoideum exhibit chemotaxis during starvation.
在饥饿状态下，黏菌Dictyostelium discoideum的细胞会进行化学趋化运动。
Chemotaxis is an essential process in the development and functioning of multicellular organisms.
化学趋动是多细胞生物发育和功能中的基本过程。
Tumor cells often exhibit enhanced chemotaxis towards angiogenic factors, facilitating their growth.
肿瘤细胞通常对血管生成因子有增强的化学趋化性，这有利于其生长。
Researchers study chemotaxis to better understand cell migration in diseases like cancer and inflammation.
研究人员研究化学趋动以更深入理解癌症和炎症等疾病中的细胞迁移。
Artificial olfactory cues can be used to manipulate chemotaxis in insects for pest control purposes.
人工嗅觉信号可以用来操控昆虫的化学趋化性，用于害虫控制。