Prokaryotic cells doesn't have a nucleus.
Answer:
water would not form hydrogen bonds between H20 molecules
A protein that is exposed to heat or drastic change in pH will have its structure affected. Conditions that are beyond the optimum conditions for the survival of proteins will affect their structures adversely, causing them to lose their unique three dimensional structures. This is in turn will leads to the denaturation of the proteins and the proteins will no longer be able to perform their original functions.
