One is the outside conditions and the other is how u react to the condition
<span>While helicobacter pylori is a known cause of peptic ulcers and gastritis, it is also lesser known for being a cause of liver cancer. This may be due to causes related to insulin resistance or general inflammation of the liver. It might also be associated with lipid profiles and fat distribution in those with the bacteria. H. pylori is associated with non-alcoholic fatty liver disease, and this is believed to play a role.</span>
The linking of monomers is the loss of water and its called condensation reaction.
The breaking of monomers is the gain of water and its called hydrolysis.
Idk if a protein is involved.