pH 14 12 10 H₂N-CH 8 6 4 2 доон PK1 çoo- H3N-CH CH₂ CH₂ CH₂ CH2 NH3* pK₁ 0 0.5 1 CH₂ CH₂ CH2 CH₂ NH3* pK2 Coopk3 çoo- -H₂N-CH H₂N-CH pK2 pl ↓ CH₂ CH₂ CH₂ CH₂ NH3* pk3 1.5 2 2.5 Equivalents of OH 3 CH₂ CH₂ CH₂ CH2 NH₂ 3. What is the net charge on a sample of lysine at pH 1.0, 9.0 and 12.0?

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