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macromolecules

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Journal Articles
The American Biology Teacher. 2014; 767438–441 doi: https://doi.org/10.1525/abt.2014.76.7.4
Published: 01 September 2014
...Elizabeth Unsworth Identification of macromolecules in food is a standard introductory high school biology lab. The intent of this article is to describe the conversion of this standard cookbook lab into an inquiry investigation. Instead of verifying the macromolecules found in food, students use...
Journal Articles
The American Biology Teacher. 2014; 76288–92 doi: https://doi.org/10.1525/abt.2014.76.2.4
Published: 01 February 2014
... presentations on the second law and how life could evolve despite it. The principal concept is that biological information in macromolecules provides fresh insight into evolution in the earth’s thermodynamic system. Figure 1. (A) “I blame entropy” (after Thompson, 2012 ). (B) To bring about organization...
Journal Articles
The American Biology Teacher. 2012; 74122–24 doi: https://doi.org/10.1525/abt.2012.74.1.6
Published: 01 January 2012
... input alone does not address the ability to organize and create complex structures or explain life cycles – in particular, growth regulation and dying in the presence of adequate nutrients. Understanding the roles of macromolecules such as DNA, with their apparent information-processing capability...
Journal Articles
The American Biology Teacher. 2010; 727444–446 doi: https://doi.org/10.1525/abt.2010.72.7.10
Published: 01 September 2010
...Mary Culp Chemical digestion, the decomposition of macromolecules by the action of enzymes, begins in the mouth and stomach but occurs primarily in the small intestine. This exercise shows how to construct a simulated stomach and duodenum using common laboratory equipment and chemicals. The lab...
Journal Articles
The American Biology Teacher. 2019; 817513–519 doi: https://doi.org/10.1525/abt.2019.81.7.513
Published: 01 September 2019
... parts (macromolecules), cell processes (protein folding, transmembrane transport), and cell driving forces (chemistry, thermodynamics) – that are the big ideas addressed in the classes at both institutions. Research on common student misconceptions in cell biology informed the big ideas ( Howitt et al...
Journal Articles
The American Biology Teacher. 2018; 808600–607 doi: https://doi.org/10.1525/abt.2018.80.8.600
Published: 01 October 2018
... other macromolecules (e.g., proteins) in the cell to impact gene expression (through epigenetic mechanisms) or metabolism. Studying the impact of exposure to chemicals on our DNA informs risk assessment and the regulation of chemicals in our environment. Acknowledge that scientists interested in...
Journal Articles
The American Biology Teacher. 2017; 799702–710 doi: https://doi.org/10.1525/abt.2017.79.9.702
Published: 01 November 2017
... activity. The activity takes 30 to 45 minutes, including time to answer the accompanying questions. Students may require prior instruction about the structure of the cell membrane and the physical and chemical characteristics of macromolecules. It may be helpful to remind students that both the cell...
Journal Articles
The American Biology Teacher. 2017; 799720–727 doi: https://doi.org/10.1525/abt.2017.79.9.720
Published: 01 November 2017
... is found in the nucleus of an atom? protons only electrons only protons and electrons protons and neutrons High School: Compare and contrast the four types of organic macromolecules. Which is the most hydrophobic? proteins lipids carbohydrates nucleic acids...
Journal Articles
The American Biology Teacher. 2017; 794294–300 doi: https://doi.org/10.1525/abt.2017.79.4.294
Published: 01 April 2017
... groups have constructed the nucleotides, they proceed with building DNA models. To construct the DNA macromolecule, groups use two of each type of nucleotide and connect them randomly via their phosphate/deoxyribose pieces. This process reinforces that DNA is synthesized by joining nucleotides. Students...
Journal Articles
The American Biology Teacher. 2017; 793191–197 doi: https://doi.org/10.1525/abt.2017.79.3.191
Published: 01 March 2017
... nitrogen fixation 7. List biological macromolecules that require nitrogen 8. Distinguish between culture-dependent and culture-independent methods to study microorganisms 9. Define the properties of microbiological media that would be needed to isolate nitrogen-fixing microorganisms 10...
Journal Articles
The American Biology Teacher. 2016; 789739–745 doi: https://doi.org/10.1525/abt.2016.78.9.739
Published: 01 November 2016
... projected to reach 9.7 billion by 2050 . Available online at http://www.un.org/en/development/desa/news/population/2015-report.html . Unsworth, E. ( 2014 ). Macromolecules Inquiry: Transformation of a Standard Biochemistry Lab . The American Biology Teacher , 76 ( 7 ), 438 – 441 . USGS...
Journal Articles
The American Biology Teacher. 2016; 786463–470 doi: https://doi.org/10.1525/abt.2016.78.6.463
Published: 01 August 2016
... helps instructors avoid the pitfalls of planning around familiar activities or simply covering content. For example, rather than doing the macromolecule testing lab common to many introductory biology courses, backward design asks instructors to consider what they want students to understand about...
Journal Articles
The American Biology Teacher. 2015; 776452–457 doi: https://doi.org/10.1525/abt.2015.77.6.452
Published: 01 August 2015
... scale of cells and macromolecules. CCC: Cause and Effect Students can add to their story of gene expression by predicting and explaining events in a new context. For example, what might be the effect of inserting some “disturbance” in the system (e.g., mutagen, virus, or disease state)? CCC...
Journal Articles
The American Biology Teacher. 2015; 773178–183 doi: https://doi.org/10.1525/abt.2015.77.3.5
Published: 01 March 2015
... interdisciplinary nature of science Visualization of biochemistry of macromolecules and metabolism Understanding of nutrient transport physiology Relevance of microorganisms in food (food poisoning and food industry) Forming a relationship between science and society Evaluation of ethics and genetically...
Journal Articles
The American Biology Teacher. 2015; 773185–190 doi: https://doi.org/10.1525/abt.2015.77.3.6
Published: 01 March 2015
... enthusiasm for biology, despite their original hesitation to don the party hats and act as various macromolecules. I have found this activity, together with a review of the process, to be a helpful strategy to engage students in the learning process and to impress upon them the importance of the genetic code...
Journal Articles
The American Biology Teacher. 2014; 769643–647 doi: https://doi.org/10.1525/abt.2014.76.9.14
Published: 01 November 2014
..., & Therapeutic Applications.......................6:373-F Using Mollusk Phylogeny To Teach Evolution .......................7:432-F Understanding Cellular Respiration in Terms of Matter & Energy within Ecosystems .......................6:408-I Macromolecules Inquiry: Transformation of a Standard...
Journal Articles
The American Biology Teacher. 2014; 769576–581 doi: https://doi.org/10.1525/abt.2014.76.9.2
Published: 01 November 2014
... producing”); for example, collagens are essential components of bones and tendons. A critical collagen is Type I, the major component of connective tissue and the most abundant protein found in humans ( Prockop & Kivirikko, 1995 ). Collagen is also the largest, most complex macromolecule found in...
Journal Articles
The American Biology Teacher. 2014; 763184–188 doi: https://doi.org/10.1525/abt.2014.76.3.6
Published: 01 March 2014
... recombination and chromosome sorting; and the molecular model, which pertains to mechanisms of gene expression. The domain of genetics encompasses not only numerous material entities across multiple organizational levels (e.g., micromolecules [nucleotides and alleles], macromolecules [chromosomes and proteins...
Journal Articles
The American Biology Teacher. 2012; 74160 doi: https://doi.org/10.1525/abt.2012.74.1.13
Published: 01 January 2012
...Kristin Hudlow © 2012 by National Association of Biology Teachers. 2012 Inquiries in Science Series: Synthesizing Macromolecules (Carolina Biological Supply, $199.95) As in the rest of Carolina's Inquiries in Science series, the "5E" model of instruction (Engage...
Journal Articles
The American Biology Teacher. 2012; 749667–671 doi: https://doi.org/10.1525/abt.2012.74.9.14
Published: 01 November 2012
..........................9:628-I Growth of a Pine Tree.......................9:620-I Multidisciplinary Inquiry-Based Learning Using an Ex Ovo Chicken Culture Platform: Role of Vitamin A on Embryonic Morphogenesis.......................9:636-I Inquiries in Science Series: Synthesizing Macromolecules...