Water molecules have oppositely charged ends, + and - These opposite charges allow for them to form covalent
bonds with other water molecules which is how water
droplets form. What is this called?

a) viscosity
b) polarity
c) density
d) surface tension

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?