Hello all, my MCAT is this Thursday and I'm feeling good. One thing still befuddles me a lil. So when we're looking at an AAs charge in solution, are we looking at the pka or pI? Take Asparatate for example, it's pI is roughly 2.7 and it's pka is 4, so if a solution had a pH of 3, would it be resorted to a plus charge due to the 2 carboxyls and the amino being protonated?? And at what pH would asparatate be a -2 charge from the carboxyl groups beig deprotonated. Your response would be...
Last Minute Amino Acid Help
Last Minute Amino Acid Help