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April 20, 2014

Homework Help: Biochemistry

Posted by Aria on Saturday, October 5, 2013 at 10:03pm.

1. What is the overall charge of the tripeptide below pH 1.0?
2. What is the overall charge of the tripeptide at pH 12?
3. What type of intermolecular attractions could the side chains of the amino acids make with the solvent (water) at pH 7.4? (Note that these are attractions with water, not with other amino acids.)
4. If the tripeptide was dissolved in a buffer that is pH 8.5, what would be the net charge on the most abundant chemical species?

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