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17 Nov 2019

1. What is the optimum pH to separate a mixture of lysine, arginine, and cysteine using electrophoresis? (See the table in the image.)

A. At pH about 7.0

B. At pH about 5.1

C. At pH about 9.5

D. At pH about 10.8

2. Choose the structure of lysine in the protonation state that would predominate at the pH you have chosen.

3. Choose the structure of arginine in the protonation state that would predominate at the pH you have chosen.

4. Choose the structure of cysteine in the protonation state that would predominate at the pH you have chosen.

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Bunny Greenfelder
Bunny GreenfelderLv2
17 Nov 2019

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