Question

Where are charged polar side chains usually located on a protein?

A) Inside the hydrophobic core
B) In the active site
C) On the protein surface
D) Within alpha helices

Answer 1

Charged polar side chains on proteins are usually located on the protein surface.

Step-by-step explanation:

Charged polar side chains are usually located on the protein surface. They are polar and hydrophilic, meaning they have an affinity for water. Examples of charged polar amino acids include lysine, arginine, and glutamic acid. Charged polar side chains are usually located on the surface of a protein, where they can interact with the aqueous environment due to their hydrophilic nature. The hydrophobic core of a protein typically contains non-polar amino acids, which help stabilize the protein's structure by avoiding water. Alpha helices are secondary structures within proteins where the side chains of the amino acids protrude outward, and these can contain a variety of amino acid types depending on the protein's overall structure and function.