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at which pH would we expect the net charge on free tyrosine to be closest to...

at which pH would we expect the net charge on free tyrosine to be closest to zero

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Answer #1

The pKa values of tyrosine is -

The point at which the net charge is zero is known as isoelectric point.

Hence isoelectric point = pI = (9.11 + 10.07 ) / 2    [take the closer values of pKa]

                                           = 9.59 (the net charge is zero)

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