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Learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.
Mannitol Salt Agar
By Kristine Snow
In this overview, students examine and identify mannitol positive and mannitol negative bacteria on mannitol salt agar.
The Stress Response
By Barbara Liang
In this animated object, learners read a brief description of the roles of the hypothalamus, emotions, and adrenal secretions during the stress response.
Learners read about endospores and view video clips demonstrating spore staining procedures. Correctly stained slides are shown. The learning object includes two matching exercises.
How to Use a Microscope
Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.
Creative Commons Attribution-NonCommercial 4.0 International License.
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