Chemotaxis on the Move – Active Learning Teaching Tool

Chemotaxis on the Move – Active Learning Teaching Tool
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移动中的趋化性 – 主动学习教学工具

DOI:
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发表时间:
2010
影响因子:
1.9
通讯作者:
Ann H. Williams
Ann H. Williams
中科院分区:
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文献类型:
--
作者:
Ann H. Williams

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在微生物学课程中,学生可能很难想象趋化性等概念。这里描述的是一个简短的视觉表演活动,学生使用有偏随机游走模拟大肠杆菌向引诱源移动。这项简短的互动活动是在普通微生物学讲座课程中进行的,该课程主要由生物学专业的三年级或四年级学生组成,然后再进行趋化性和鞭毛运动主题的讲座。它用于帮助学生(30-40 名班级)理解和可视化趋化过程以及随机游走、偏向随机游走、奔跑、翻滚和鞭毛响应引诱剂和驱避剂的定向运动的概念。
In Microbiology courses, concepts such as chemotaxis can be difficult to visualize for students. Described here is a short visual playacting activity where students simulate E.coli moving towards an attractant source using a biased random walk. This short interactive activity is performed in the lecture course of General Microbiology that contains mostly Biology major juniors or seniors prior to the lecture on the subject of chemotaxis and flagellar movements. It is utilized to help students (class of 30–40) understand and visualize the process of chemotaxis and the concepts of random walk, biased random walk, runs, tumbles and directed movement of flagella in response to attractants and repellents.