Have you ever wondered what the difference is between a fat that is liquid and a fat that is solid at room temperature? Let's begin by explaining why room temperature fats are solid or liquid. Fats are liquid or solid according to their chemical make up or how their building blocks are stacked together.
Confidence votes 1.6K. Carbohydrate digestion begins in the mouth, and is broken down with the enzymes in saliva. Protein digestion starts in the stomach, and is broken down with pepsin. Fats are digested in the small intestine using bile and other chemicals.
The majority of carbohydrate digestion occurs in the small intestine. It is here that disaccharides (sugars composed of two monosaccharides) like sucrose, maltose, and lactose are broken down into monosaccharides, which are then absorbed directly into the cells that form the intestinal lining.igestion of starch begins in the mouth with the chewing of food (mastication) and the production of amylases immediately breaking down certain starches.