Biology, 10.07.2019 08:30 babysitterwick

Chemist runs a thin–layer chromatography (tlc) plate and, after development, notices that all of the spots are at the upper region of the tlc plate and are very close together. select the most likely cause of this result.

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Chemist runs a thin–layer chromatography (tlc) plate and, after development, notices that all of the...