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Face the Fats
The Biochemistry of Lipids
Nancy A. Rice
This clicker case introduces students to the biochemistry of lipids through the story of Pete, a college student who begins to consider his nutritional fat intake after watching a commercial for the cholesterol-lowering drug Vytorin. In this case, students learn to differentiate the chemical composition of steroids, phospholipids, and fats as well as how lipids affect our health, both in positive and negative ways. Additionally, students learn how trans fats are manufactured and why they can have negative health side-effects. The case is designed for use in an introductory biology course either for science majors or non-majors. It could potentially be further modified for use in an upper-level biochemistry or cell biology class. The case is called a clicker case because it combines the use of PowerPoint slides (~3.74MB) and student response systems ("clickers") with a case storyline and questions. The case could be modifed however for use without these technologies.
|Keywords:||Fats; lipids; fatty acid; HDL cholesterol; LDL cholesterol; saturated; unsaturated; trans-fat|
|Educational Level:||Undergraduate lower division, Undergraduate upper division|
|Subject Headings:||Biology (General) Biochemistry Cell Biology Nutrition Food Science / Technology Public Health|
|Copyright:||Copyright held by the National Center for Case Study Teaching in Science, University at Buffalo, State University of New York. Please see our usage guidelines, which outline our policy concerning permissible reproduction of this work.|
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The following supplemental materials are recommended for use with this case study:Click-and-Learn: Molecular Structure of Fat
18-slide presentation on the various molecular shapes lipids can take. Produced by HHMI BioInteractive.
Click-and-Learn: How the Body Uses Fat
27-slide presentation on how our body uses three main sources of energy: glucose, glycogen, and fat. This slide show explores some of the ways the body processes fat, including digestion, transport, conversion, and energy extraction. Produced by HHMI BioIneractive.
Poster: The Science of Fat
This poster shows students fat in its different forms (from tissue to cell to molecule), how fat is transported and metabolized in the human body, and the hormonal regulation of fat cells. Produced by HHMI BioInteractive,
VideosThe following video(s) are recommended for use in association with this case study.
Animation: The Fate of Fat
This short animation provides an overview of how dietary fat gets digested, packaged, and sent to various tissues for storage or energy. Running time: 2:08 min. Produced by: HHMI BioInteractive.