Salmonella typhi on Triple Sugar Iron media; glucose fermented, no carbon dioxide, H2S has turned the iron black.
Column chromatography
A jar of snacks (namkeens) demonstrate the principles of column chromatography to a fairly accurate extent. In a column consisting of diffe...
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Mars Mars from Northern Hemisphere, 2115 hrs on 21st November 2020. Towards east, at Zenith. With a modest Telephoto lens of a Canon DSLR. U...
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Neutrophils (& monocytes) produce hydrogen peroxide (through superoxide production) to kill phagocytosed bacteria. 2O 2 + NADPH —> ...
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