Acid-Base Properties of Amino Acids Video Lessons

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Problem: At a pH > 7, the zwitterion of glycine (pl = 6.0) will havea. a net negative charge.b. a negative charge on the nitrogen.c. a net positive charge.d. an overall charge of zero.e. low solubility in water.

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At a pH > 7, the zwitterion of glycine (pl = 6.0) will have

a. a net negative charge.

b. a negative charge on the nitrogen.

c. a net positive charge.

d. an overall charge of zero.

e. low solubility in water.

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Based on our data, we think this problem is relevant for Professor Weizman's class at UCSD.