Answer:
4. all of the above
Explanation:
all of these are correct so...all of the above
Answer:
yes, like poles can attract each other
Explanation:
this is when a magnet is one side north and the other south. They dont attract and repel when it it (north,north) and (south, south)
The tertiary structure of a protein refers to the overall three-dimensional arrangement of its polypeptide chain in space. It is generally stabilized by outside polar hydrophilic hydrogen and ionic bond interactions, and internal hydrophobic interactions between nonpolar amino acid side chains