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Peer reviewedStewart, Peter R. – Journal of Biological Education, 1990
Described is an activity in which the interactions between a parasite and its host may be demonstrated using the relationship between yogurt and two species of bacteria. Background information on Koch's postulates is provided. Materials, laboratory procedures, and results are discussed. (CW)
Descriptors: Biological Sciences, College Science, Culturing Techniques, Ecology
Peer reviewedBaxby, Derrick – Journal of Biological Education, 1989
Presented is a brief review of the historical importance and knowledge of pneumonia which emphasizes the importance of type transformation. The results of a survey of textbook coverage of this topic are given. The significance of type transformations are discussed. (CW)
Descriptors: Bacteria, Biological Sciences, Biology, College Science
Peer reviewedSheerman, Suzanne – Journal of Biological Education, 1990
Reviewed are some of the techniques being used in plant biotechnology laboratories. Described are tissue culture and genetic manipulation. Advantages and disadvantages of this approach and ethics and public concern issues are discussed. (CW)
Descriptors: Biological Sciences, Botany, College Science, Culturing Techniques
Peer reviewedSlack, Susie; Stewart, Jim – Journal of Biological Education, 1989
Prescriptions for improving student understanding and problem-solving performance related to transmission genetics are discussed. Research on novice/expert problem-solving in transmission genetics is reviewed. (Author/CW)
Descriptors: Biological Sciences, Cognitive Development, College Science, Genetics
