"Proteins" are made of<em> small organic molecules</em> called<em> "amino acids." </em>These are its building blocks and it helps make the protein in its linear chains.
Proteins are not readily used by the body for energy, instead the body readily uses carbohydrates for energy.
Proteins do not contain the code for building DNA, rather, the DNA contains the code for building proteins. These codes are like DNA instructions which are converted into an<em> "RNA message."</em> This message is then translated in order to produce protein.
The answer is B. celiac disease. Celiac disease is an immune disorder. When someone with the disease eats any food containing gluten, the immune system creates antibodies and gets rid of the gluten but at the same time attacks the small intestine.