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Hubler, Tina; Adams, Patti; Scammell, Jonathan – American Biology Teacher, 2015
The molecular basis of evolution is an important and challenging concept for students to understand. In a previous article, we provided some of the scientific background necessary to teach this topic. This article features a series of laboratory activities demonstrating that molecular events can alter the genomes of organisms. These activities are…
Descriptors: Laboratory Experiments, Science Activities, Molecular Biology, Genetics
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Wendell, Douglas L.; Pickard, Dawn – CBE - Life Sciences Education, 2007
We have developed experiments and materials to model human genetics using rapid cycling "Brassica rapa", also known as Fast Plants. Because of their self-incompatibility for pollination and the genetic diversity within strains, "B. rapa" can serve as a relevant model for human genetics in teaching laboratory experiments. The experiment presented…
Descriptors: Genetics, Biodiversity, Data Interpretation, Laboratory Experiments
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Parra-Belky, Karlett; McCulloch, Kathryn; Wick, Nicole; Shircliff, Rebecca; Croft, Nicolas; Margalef, Katrina; Brown, Jamie; Crabill, Todd; Jankord, Ryan; Waldo, Eric – Biochemistry and Molecular Biology Education, 2005
In this undergraduate biochemistry laboratory experiment, the vacuolar ATPase protein complex is purified from yeast cell extracts by doing immunoprecipitations under nondenaturing conditions. Immunoprecipitations are performed using monoclonal antibodies to facilitate data interpretation, and subunits are separated on the basis of their molecular…
Descriptors: Laboratory Experiments, Data Interpretation, Biochemistry, Science Activities
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Kempa, R. F.; Ward, J. E. – International Journal of Science Education, 1988
Reported are observational limits of detectability for several single stimulus and multi-stimuli observation tasks in secondary level chemistry. Provided are tables of actual results obtained including type of observation, chemical system used, method of determining stimulus magnitude, and observational thresholds. (Author/YP)
Descriptors: Chemistry, Data Interpretation, Experiments, Laboratory Experiments
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DiBartolomeis, Susan M.; Mone, James P. – Cell Biology Education, 2003
Over the past decade, apoptosis has emerged as an important field of study central to ongoing research in many diverse fields, from developmental biology to cancer research. Apoptosis proceeds by a highly coordinated series of events that includes enzyme activation, DNA fragmentation, and alterations in plasma membrane permeability. The detection…
Descriptors: Research Design, Oncology, Genetics, Science Instruction