Considering normal human blood ranges from pH 7.35 to pH 7.45, Table 4.1 predicts that:
A. the R group of aspartate is protonated.
B. the R group of glutamate is protonated.
C. the R group of arginine is protonated.
D. the R group of lysine is acidic.
E. the R group of arginine is acidic.
C
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