Which of the following explains the unusually high melting points of amino acids?
A) their formula weights
B) the polarity of the side chains
C) the presence of nitrogen atoms
D) their existence as zwitterions

Question

Quizplus · Accepted Answer

The unusually high melting points of amino acids can be attributed to their existence as zwitterions, which have strong electrostatic attractions between the positively and negatively charged ends of the molecule, leading to a high melting point.

Which of the Following Explains the Unusually High Melting Points