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09-01-2024
Physics

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At which pH would the net electric charge of tyrosine be zero, given that its -COOH group has a pKa of 2.20, its –NH₃ group has a pKa of 9.11, and its R group has a pKa of 10.07?
a. pH < 2.20
b. 2.20 < pH < 9.11
c. 9.11 < pH < 10.07
d. pH > 10.07

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