Which of the following amino acids is most likely to be found on the interior of a protein?

Question

Quizplus · Accepted Answer

Isoleucine is a nonpolar, hydrophobic amino acid, making it more likely to be found in the interior of a protein where it can interact with other nonpolar amino acids via Van der Waals interactions. Lysine, threonine, arginine, and aspartic acid are polar or charged amino acids and thus are more likely to be found on the surface of the protein, where they can interact with water or other polar molecules.

Which of the Following Amino Acids Is Most Likely to Be