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Hoh, Yin Kiong – American Biology Teacher, 2014
This article reviews the discovery of RNA interference, its mechanism of action and its functions, and the principles, challenges, and strategies for RNA therapeutics.
Descriptors: Molecular Biology, Genetics, Medical Research, Biomedicine
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Peterson, Jacob – American Biology Teacher, 2014
A logical question to be expected from students: "How could life develop, that is, change, evolve from simple, primitive organisms into the complex forms existing today, while at the same time there is a generally observed decline and disorganization--the second law of thermodynamics?" The explanations in biology textbooks relied upon by…
Descriptors: Evolution, Scientific Concepts, Biological Sciences, Scientific and Technical Information
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Yerky, Mike Darwin; Wilczynski, Carolyn J. – American Biology Teacher, 2014
In this activity, students examine nine hominin skulls for specialized features and take measurements that will enable them to determine the relatedness of these species. They will ultimately place each specimen on a basic phylogenetic tree that also reveals the geological time frame in which each species lived. On the basis of their data, and…
Descriptors: Evolution, Science Activities, Scientific Methodology, Class Activities
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Stansfield, William D. – American Biology Teacher, 2014
The goal of this Quick Fix is to inform biology teachers about the availability of online crossword puzzles that can be used to engage students and help them learn technical biological terms.
Descriptors: Biology, Science Instruction, Learner Engagement, Vocabulary Development
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Hicks, Melissa A.; Cline, Rebecca J.; Trepanier, Angela M. – American Biology Teacher, 2014
An understanding of how genomics information, including information about risk for common, multifactorial disease, can be used to promote personal health (personalized medicine) is becoming increasingly important for the American public. We undertook a quantitative content analysis of commonly used high school textbooks to assess how frequently…
Descriptors: Molecular Biology, Genetics, Science Instruction, Textbooks
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Royer, Anne M.; Schultheis, Elizabeth H. – American Biology Teacher, 2014
Evolutionary experiments are usually difficult to perform in the classroom because of the large sizes and long timescales of experiments testing evolutionary hypotheses. Computer applications give students a window to observe evolution in action, allowing them to gain comfort with the process of natural selection and facilitating inquiry…
Descriptors: Evolution, Scientific Concepts, Computer Uses in Education, Science Instruction
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Harden, Siegfried; Grilliot, Matthew E. – American Biology Teacher, 2014
Optimal foraging theory is a principle that is often presented in the community ecology section of biology textbooks, but also can be demonstrated in the laboratory. We introduce a lab activity that uses an interactive strategy to teach high school and/or college students about this ecological concept. The activity is ideal because it engages…
Descriptors: Ecology, Science Activities, Science Laboratories, Science Instruction
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Grilliot, Matthew E.; Harden, Siegfried – American Biology Teacher, 2014
In 1858, Darwin published "On the Origin of Species by Means of Natural Selection." His explanation of evolution by natural selection has become the unifying theme of biology. We have found that many students do not fully comprehend the process of evolution by natural selection. We discuss a few simple games that incorporate hands-on…
Descriptors: Biology, Evolution, Science Instruction, Educational Games
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Taylor, Jessica M.; Davidson, Rebecca M.; Strong, Michael – American Biology Teacher, 2014
Tuberculosis (TB) continues to be a serious global health problem, resulting in >1.4 million deaths each year. Of increasing concern is the evolution of antibiotic resistant strains of the bacterium that causes TB. Using this real-world scenario, we created a 90-minute activity for high school or undergraduate students to use online…
Descriptors: Biology, Information Science, Public Health, Communicable Diseases
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Ho, Ivan Shun; Parmar, Navneet K. – American Biology Teacher, 2014
Over the past 10 years, college textbooks in human anatomy and physiology have typically presented the events of the ovulatory menstrual cycle in a linear format, with time in days shown on the x-axis, and hormone levels, follicular development, and uterine lining on the y-axis. In addition, the various events are often shown over a 28-day cycle,…
Descriptors: Females, Physiology, Visual Aids, Anatomy
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May, S. Randolph – American Biology Teacher, 2014
Students will analyze the coevolution of the predator-prey relationships between "Tyrannosaurus rex" and its prey species using analyses of animal speeds from fossilized trackways, prey-animal armaments, adaptive behaviors, bite marks on prey-animal fossils, predator-prey ratios, and scavenger competition. The students will be asked to…
Descriptors: Biology, Evolution, Science Instruction, Paleontology
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Stein, Richard; Davis, Devra Lee – American Biology Teacher, 2014
Evaluating the potential health impacts of chemical, physical, and biological environmental factors represents a challenging task with profound medical, public health, and historical implications. The history of public health is replete with instances, ranging from tobacco to lead and asbestos, where the ability to obtain evidence on potential…
Descriptors: Public Health, Conflict of Interest, Environmental Influences, Hazardous Materials
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Chen, Ying-Chih; Steenhoek, Joshua – American Biology Teacher, 2014
Argumentation is now seen as a core practice for helping students engage with the construction and critique of scientific ideas and for making students scientifically literate. This article demonstrates a negotiation model to show how argumentation can be a vehicle to drive students to learn science's big ideas. The model has six phases:…
Descriptors: Persuasive Discourse, Science Instruction, Grade 5, Scientific Principles
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Gusky, Sharon – American Biology Teacher, 2014
In this activity, freshman college students learn biotechnology techniques while playing the role of a laboratory technician. They perform simulations of three diagnostic tests used to screen newborns for cystic fibrosis. By performing an ELISA, a PCR analysis, and a conductivity test, students learn how biotechnology techniques can be used to…
Descriptors: Screening Tests, Diseases, Neonates, College Freshmen
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Walsh, Joseph A. – American Biology Teacher, 2014
A look back at some famous discoveries in biology highlights the competitive nature of science, the trophy being priority by publication.
Descriptors: Biology, Competition, Discovery Processes, Publications
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