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Leonello, Rocco; Savio, Matteo; Toaldo, Paola Baron; Bonomi, Renato – Journal of Chemical Education, 2018
Determination of enzymatic activity is a relevant experiment in teaching chemistry and biochemistry to high school and college students. A method for measuring the kinetic parameters of lactose cleavage by the enzyme lactase is described. This enzyme catalyzes the hydrolysis of lactose to galactose and glucose. The kinetic parameters can be…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
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Bonanno, A.; Bozzo, G.; Grandinetti, M.; Sapia, P. – Physics Education, 2016
Several studies have showed the subsistence, even in students enrolled in scientific degree courses, of spontaneous ideas regarding the motion of bodies that conflict with Newton's laws. One of the causes is related to the intuitive preconceptions that students have about the role of friction as a force. In fact, in real world novices do not…
Descriptors: Physics, Science Instruction, Science Experiments, Foreign Countries