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Campbell, Tessa N. – American Biology Teacher, 2009
The plasma membrane is the membrane that serves as a boundary between the interior of a cell and its extracellular environment. Lipid rafts are microdomains within a cellular membrane that possess decreased fluidity due to the presence of cholesterol, glycolipids, and phospholipids containing longer fatty acids. These domains are involved in many…
Descriptors: Active Learning, Teaching Methods, Creative Teaching, Scientific Concepts
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Tamir, Pinchas; Peretz, Miriam Ben – American Biology Teacher, 1988
Presents the results of a comparative study of Canada and Israel. Science achievements based on data collected in the Second International Science Study are examined. Also the intended and translated curriculum are considered. The populations of the study, results of the study, and the similarities between students are described. (CW)
Descriptors: Achievement Rating, Biological Sciences, Cognitive Ability, Foreign Countries
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Rowsell, H. C. – American Biology Teacher, 1974
Discusses the importance of children developing personal associations with animals, and suggests that it is the responsibility of schools to teach students how to properly care for pets. With particular reference to Canadian experiences, criticizes the widespread neglect of pets and misuse of animals in school laboratories and science fairs. (JR)
Descriptors: Animal Husbandry, Educational Responsibility, Laboratory Animals, Laboratory Experiments