Glutamic Acid (PK1 = 2

question 23

Multiple Choice

Glutamic acid (pK1 = 2.0, pK2 = 4.0, pK3 = 10.0) is dissolved in water. The isoelectric point (pI) of glutamic acid is

• A) 2.0
• B) 3.0
• C) 4.0
• D) 7.0
• E) 10.0

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