Miss Sarah and Miss Nylah use coffee filters and markers to make their own chromatography. Miss Sarah and Miss Nylah use coffee filters and markers to make their own chromatography experiment.

COMPARATIVELY little use has been made of paper chromatography for micro or semimicro preparative purposes. A difficulty encountered in such work is that of applying relatively large quantities of ...

THE capacity of an enzyme preparation to activate amino-acids is usually measured by means of the amino-acid dependent isotope exchange reaction between pyrophosphate labelled with phosphorus-32 and ...

The American Biology Teacher, a nationally recognized journal, offers articles on recent advances in biology and life science, instructional activities for the classroom and laboratory, and ...