Symptoms of a urinary tract infection (UTI) are similar in men, women, and children. Early symptoms and signs are usually easy to recognize and primarily involve pain, discomfort, or burning when trying to urinate.
Protein digestion begins in the stomach with the action of an enzyme that we previously learned about called pepsin. Pepsin is the active protein-digesting enzyme of the stomach. When pepsin acts on the protein molecule, it breaks the bonds that hold the protein molecule together, called peptide bonds.
Found This Helpful. Chemical digestion occurs when acids, enzymes and other secretions break down the food we eat into nutrients. Chemical digestion starts in the mouth and continues in the stomach, but most of the process occurs in the small intestine.ound This Helpful. Chemical digestion occurs when acids, enzymes and other secretions break down the food we eat into nutrients. Chemical digestion starts in the mouth and continues in the stomach, but most of the process occurs in the small intestine.