(Option B.) Serine is an amino acid that is found on the exterior of a protein molecule, interacting with an aqueous environment. This is because serine has a non-polar side chain that is hydrophilic, allowing it to interact with the aqueous environment.
Serine is an amino acid that is found on the exterior of a protein molecule and interacts with an aqueous environment due to its non-polar side chain that is hydrophilic. This allows it to bind with water molecules, giving it an affinity for aqueous environments. As a result, Serine is the most likely amino acid to be found on the exterior of a protein molecule, interacting with an aqueous environment. It is also important in many biological processes, such as protein synthesis, as it is essential for the formation of peptide bonds.
Learn more about Amino acid: https://brainly.com/question/2526971
#SPJ4