Bio-Chemistry (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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1.

What is the isoelectric point for phenylalanine given the pKa for the COOH group is 1.83 and the NH3+ group is 9.13?

A: 5.48
B: 4.83
C: 2.43
D: 9.13

The answer is: A

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