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Phosphate buffered saline (PBS) is a buffer solution commonly used in biological research. PBS is isotonic and non-toxic to cells. It is used in several applications of tissue culture, most notably for cell washing and trypsinization.
Phosphate-buffered saline (PBS) is a buffer solution (pH ~ 7.4) commonly used in biological research. It is a water-based salt solution containing disodium hydrogen phosphate, sodium chloride and, in some formulations, potassium chloride and potassium dihydrogen phosphate. The buffer helps to maintain a constant pH.
Learn how this factory works and what the relationship is between DNA, RNA, and proteins. RNA may have been the origin of life on Earth. Go on a whirlwind tour of RNA’s evolving role through ...
17 lut 2021 · To find out, host David Pogue investigates the surprising molecules that allowed life on Earth to begin, and ultimately thrive. Along the way, he finds out what we’re all made of—literally.
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24 maj 2018 · Science fiction is quickly becoming science fact. Another daring genetic experiment to bioengineer animals could prevent Lyme disease. But the power to make life comes with deep ethical...
Understand the processes of science. Distinguish between scientific and everyday meanings of key words—theory, hypothesis, law, fact—and use in context. Recognize the variables that affect...
