chanceypray36622 chanceypray36622 09-01-2024 Physics contestada 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