by msander | Dec 2, 2018 | Gr 9-10 Science, Gr. 11-12 Biology, Safety
Introduction: Since its discovery in 1932, PTC paper has been a popular activity for students studying genetics. It is used to determine the genotypes of individuals, and is bitter tasting. It has been tied to the evolutionary advantage allowing some primates to...
by msander | Jun 1, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
New study in mice sheds light on how animals stay hydrated Viewed under a microscope, your tongue is an alien landscape, studded by fringed and bumpy buds that sense five basic tastes: salty, sour, sweet, bitter, and umami. But mammalian taste buds may have an...
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