Tested Studies in Laboratory Teaching, 2014, Volume 35
Robert B. Ketchum
Abstract
Students manipulated a model of DNA. They started with phosphate, deoxyribose, and two nitrogenous bases to assemble one nucleotide pair. They then built a DNA molecule having 12 base pairs. They measured several emergent features and record the sequence of bases along one strand. They ended by deliberating on how four kinds of nitrogenous bases can code for twenty amino acids. A group of students submited their responses on an Activity Sheet.
Keywords: DNA, DNA model, molecular model
University of Calgary (2013)
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