Question

this assignment will consist of 20 multiple choice questions, each worth 1 point, for a total of 20 points. the information for this exam will come from any lecture notes, practice questions, and/or review sheets available for this section. the assignment must be completed within the designated period of time. you will not be given additional time, so it is suggested that you complete the assignment as soon as it is posted to avoid issues such as illness, work issues, internet connectivity problems, etc.
1 multiple choice 1 point
which of the following functional groups plays a role in stabilizing protein structure?
phosphate
carbonyl
sulfhydryl
hydroxyl

Explanation:

Sulfhydryl groups (-SH) can form disulfide bonds (-S-S-) with other sulfhydryl groups. These covalent bonds are a key factor in stabilizing the tertiary and quaternary structures of proteins. The other listed functional groups do not form this type of stabilizing covalent bond for protein structure.

Answer:

Sulfhydryl