探索官能团和生物分子的性质

IF 0.3 4区 教育学 Q4 BIOLOGY American Biology Teacher Pub Date : 2023-10-01 DOI:10.1525/abt.2023.85.8.454
Rebecca J. Brady, Maya R. Patel
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引用次数: 0

摘要

对化学键、官能团和分子的化学性质的深刻理解是一般生物学的基本组成部分。学生们常常很难将这些概念联系起来,并恰当地应用它们。教具为可视化这些概念提供了具体的工具,并允许教师看到(字面上)学生不理解的地方。在这里,我们提出了一个以操作为基础的练习,以加强学生对碳氢化合物、官能团、碳水化合物、蛋白质和脂类性质的理解和应用。该练习还探讨了官能团如何对不同类别的生物分子的形状和性质做出贡献。这种活动的结构有助于教师和学生识别误解,并提供一个通过同侪学习、建模和教师的个人关注来解决这些误解的机会。
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Exploring the Properties of Functional Groups and Biomolecules
A solid understanding of the chemical properties of bonds, functional groups, and molecules is an essential component of general biology. Students often struggle to connect these concepts and apply them appropriately. Manipulatives provide a concrete tool for visualizing these concepts and allow the instructor to see (literally) what students do not understand. Here, we present a manipulatives-based exercise that reinforces student understanding and application of the properties of hydrocarbons, functional groups, carbohydrates, proteins, and lipids. The exercise also explores how functional groups contribute to the shape and properties of different classes of biomolecules. The structure of this activity helps both instructors and students identify misconceptions and provides an opportunity to resolve them through peer learning, modeling, and individual attention from the instructor.
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来源期刊
American Biology Teacher
American Biology Teacher BIOLOGY-EDUCATION, SCIENTIFIC DISCIPLINES
CiteScore
0.80
自引率
20.00%
发文量
108
期刊介绍: The American Biology Teacher is an award winning and peer-refereed professional journal for K-16 biology teachers. Articles include topics such as modern biology content, biology teaching strategies for both the classroom and laboratory, field activities, and a wide range of assistance for application and professional development. Each issue features reviews of books, classroom technology products, and "Biology Today." Published 9 times a year, the journal also covers the social and ethical implications of biology and ways to incorporate such concerns into instructional programs.
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