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The PK_aʹs of Isoleucineʹs α-Carboxyl Group and α-Amino Group Are

Question 70

Multiple Choice

The pK_aʹs of isoleucineʹs α-Carboxyl group and α-Amino group are 2.3 and 9.8, respectively. Calculate the isoelectric point.

A) 2.3
B) 6.0
C) 9.8
D) The isoelectric point cannot be calculated without the pK_avalue for the side chain.

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