Biological Chemistry Demonstrations

A read out is displayed showing pH value of an amino acid
A read out is displayed showing pH value of an amino acid

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A white cotton mass is held over a beaker with brown liquid. The treated cotton, now green, is held over one of three beakers, two with green liquids and one with a lighter green liquid. The cotton mass is held over a beaker with light green liquid.
A white cotton mass is held over a beaker with brown liquid. The treated cotton, now green, is held over one of three beakers, two with green liquids and one with a lighter green liquid. The cotton mass is held over a beaker with light green liquid.

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