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Showing 1 to 15 of 157 results Save | Export
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Shen, Jie – Journal of Biological Education, 2018
The development and evaluation of a two-session laboratory class, based on Geneswitch technology and sex determination in the fruit fly Drosophila melanogaster, is described. Geneswitch system allows conditional control of gene expression. A laboratory exercise has been devised for sophomores in order to illustrate how Geneswitch technology can be…
Descriptors: Educational Technology, Technology Uses in Education, Genetics, Entomology
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Asshoff, Roman – Journal of Biological Education, 2017
Scientific inquiry requires the replication of results in experimental studies. Recent studies draw a severe picture on the need of replication and the difficulties in replicating already published studies. As replicated confirmation of results is the basis of scientific and medical research, there may be a need to introduce the topic of…
Descriptors: Replication (Evaluation), Science Experiments, Biology, Science Instruction
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Judge, Sarah; Delgaty, Laura; Broughton, Mark; Dyter, Laura; Grimes, Callum; Metcalf, James; Nicholson, Rose; Pennock, Erin; Jankowski, Karl – Journal of Biological Education, 2017
A team of six children (13-14 years old) developed and conducted an experiment to assess the behaviour of the planarian flatworm, an invertebrate animal model, before, during and after exposure to chemicals. The aim of the project was to engage children in pharmacology and toxicology research. First, the concept that exposure to chemicals can…
Descriptors: Science Experiments, Pharmacology, Toxicology, Scientific Research
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Ågren, J. Arvid; Williamson, Robert J.; Campitelli, Brandon E.; Wheeler, Jill – Journal of Biological Education, 2017
Recent years have seen a dramatic increase in our understanding of the social behaviour of microbes. Here, we take advantage of these developments to present an undergraduate laboratory exercise that uses the cooperative flocculating behaviour of yeast ("Saccharomyces sp.") to introduce the concept of inclusive fitness and teach the…
Descriptors: College Science, Undergraduate Study, Science Laboratories, Genetics
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Ibarguren, Izaskun; Villamarín, Antonio – Journal of Biological Education, 2017
All the cells of higher organisms have the same DNA but not the same proteins. Each type of specialised cell that forms a tissue has its own pattern of gene expression and, consequently, it contains a particular set of proteins that determine its function. Here, we describe a laboratory exercise addressed to undergraduate students that aims to…
Descriptors: Biology, Animals, Cytology, Genetics
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Klokocovnik, Vesna; Šorgo, Andrej; Devetak, Dušan – Journal of Biological Education, 2016
One of the innovations in the Slovenian school system has been the introduction of elective subjects in the curricula of primary and secondary schools, thus there is a lack of teaching manuals for practical exercises and hands-on classroom experience. This situation is reflected in the Ethology classroom and for that purpose we prepared…
Descriptors: Foreign Countries, Elective Courses, Ethology, Science Experiments
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Fernando, James; Carlson, Bradley; LeBard, Timothy; McCarthy, Michael; Umali, Finianne; Ashton, Bryce; Rose, Ferrill F., Jr. – Journal of Biological Education, 2016
The dramatic decrease in the cost of sequencing a human genome is leading to an era in which a wide range of students will benefit from having an understanding of human genetic variation. Since over 90% of sequence variation between humans is in the form of single nucleotide polymorphisms (SNPs), a laboratory exercise has been devised in order to…
Descriptors: Genetics, Science Laboratories, Science Instruction, Science Activities
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Qu, Wen-hui; Zhu, Tong-bo; Yang, Da-Xiang – Journal of Biological Education, 2015
Chilling is a cost-effective and safe method of immobilising flies in "Drosophila" experiments. However, should condensation form on the plate, it would be fatal to the flies. Here we describe a modified cooling method using reusable commercial ice pack(s) (ca. 400 ml, 2-3 cm tall) rather than crushed ice. The ice pack is covered with a…
Descriptors: Science Experiments, Science Instruction, Animals, Climate
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Sammet, Rebecca; Kutta, Anna-Maria; Dreesmann, Daniel – Journal of Biological Education, 2015
The observation of living animals in school laboratories provides authentic views of biological research. Various studies stress the importance of primary experiences in biology classes. However, educational films may serve as an alternative in some cases. The aim of this study was to investigate student motivation before and after treatments,…
Descriptors: Science Instruction, Video Technology, Technology Uses in Education, Entomology
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Mafra, Paulo; Lima, Nelson; Carvalho, Graça S. – Journal of Biological Education, 2015
Experimental science activities in primary school enable important cross-curricular learning. In this study, experimental activities on microbiology were carried out by 16 pupils in a Portuguese grade-4 classroom (9-10?years old) and were focused on two problem-questions related to microbiology and health: (1) do your teeth carry microbes? (2) why…
Descriptors: Science Education, Elementary School Science, Dental Health, Health Education
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Dopico, Eduardo; Linde, Ana R.; Garcia-Vazquez, Eva – Journal of Biological Education, 2014
Introducing research in undergraduate biology studies may contribute to creating research vocations and generate the idea that science may influence all aspects of common life. However, laboratory practices are too often disconnected from current investigations and rarely address real-life questions that are really interesting for students.…
Descriptors: Science Experiments, Laboratory Experiments, Cytology, Biology
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Martineau, Carolyn; Traphagen, Stephen; Sparkes, Timothy C. – Journal of Biological Education, 2013
University instructors are challenged to involve large student populations with varying pre-existing knowledge in authentic inquiry. We present a model in which students collaborate to design and run their own experiment and engage in peer evaluation. In the model, students in different lab sections of a multi-section course explore alternative…
Descriptors: Undergraduate Students, Inquiry, Biology, Individualized Instruction
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Vartak, Rekha; Ronad, Anupama; Ghanekar, Vikrant – Journal of Biological Education, 2013
Scientific investigations play a vital role in teaching and learning the process of science. An investigative task that was developed for pre-university students is described here. The task involves extraction of an enzyme from a vegetable source and its detection by biochemical method. At the beginning of the experiment, a hypothesis is presented…
Descriptors: Science Process Skills, Biochemistry, Scientific Methodology, Science Experiments
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Brocklesby, Kayleigh; Smith, Robert; Sharp, Duncan – Journal of Biological Education, 2012
An interdisciplinary and engaging practical is detailed which offers great versatility in the study of a qualitative and quantitative metabolism of azo-dyes by "Staphylococcus aureus". This practical has broad scope for adaptation in the number and depth of variables to allow a focused practical experiment or small research project. Azo-dyes are…
Descriptors: Microbiology, Metabolism, Science Experiments, Science Instruction
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Pedersen, Kamilla Sofie; Pedersen, Louise Dybdahl; Sorensen, Anders Christian; Nielsen, Anna Busch; Kristensen, Torsten Nygaard – Journal of Biological Education, 2012
Mating between closely related individuals often causes reduced fitness, which is termed "inbreeding depression". Inbreeding is, therefore, a threat towards the persistence of animal and plant populations. Here we present methods and results from a practical for high-school and first-year university students and discuss learning outcomes…
Descriptors: Genetics, Biology, Geometric Concepts, Depression (Psychology)
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