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Deutch, Charles E. – American Biology Teacher, 2001
Introduces the chicken wing project in which students assess the microbial contamination of chicken wings for the safety of foods. Uses the colony counting technique and direct wash fluid examination for determining the microbial contamination, and investigates methods to reduce the level of microbial contamination. (Contains 14 references.) (YDS)
Descriptors: Food Standards, Higher Education, Laboratory Experiments, Microbiology
Peer reviewed Peer reviewed
Deutch, Charles E. – American Biology Teacher, 1994
Describes an investigative laboratory sequence based upon the isolation and characterization of soil bacteria to aid microbiology teachers in providing students with activities that expose them to basic techniques of microbiology as well as demonstrates the scientific process and the experimental analysis of microorganisms. (ZWH)
Descriptors: Bacteria, High Schools, Higher Education, Instructional Improvement
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Deutch, Charles E. – American Biology Teacher, 1997
Argues that data analysis problems can be used successfully in large introductory microbiology courses, even when exams consist entirely of multiple-choice questions and out-of-class contact with the instructor is limited. Discusses course organization, problem structure, student performance and response, advantages of using data analysis…
Descriptors: Biology, Critical Thinking, Data Analysis, Higher Education