Biochem Quiz 2 Info: Flashcards
1
Q
A
1
Q
If we have an amino acid, and its side chain pKa is 4.5, and the pH of a solution is 5, what happens to the side chain?
A
It gets DEPROTONATED.
When the PH exceeds the pKa of an amino acid side chain, then the side chain gets deprotonated.
When a PH is equal to the pKa, then 50% of the side chain is deprotonated.
When a PH is less than the pKa, then nothing happens. It stays in its protonated form.
