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EASY SCIENCE EXPERIMENTS TO DO AT HOME for kids Awesome and Amazing! They are very easy to do at HOME, at SCHOOL, You can show super cool magic with these experiments ...
已浏览 5240.6万 次2020年5月4日
短视频
Did you know you can see your own DNA without a microscope?🧬 For #DNADay, Alex Dainis shows you how with this simple science experiment. First, cheek cells are collected by swishing salt water in the mouth, then mixed with a little bit of dish detergent. The detergent breaks apart the cell membranes, releasing the DNA into the saltwater solution. Isopropyl alcohol is poured on top of the solution, causing the DNA to precipitate out of the solution and form a visible white clump. The DNA can the
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Did you know you can see your own DNA without a microscope?🧬 For #DNADay,
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