The pKa values for the three acidic grou...

The pKa values for the three acidic group P,Q,R are 4.3, 9.7 and 2.2 respectively, Calculate the isoelectric point of the amino acid?

A

`7.00`

B

`3.25`

C

`4.95`

D

`5.95`

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The correct Answer is:

B

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