As an enzyme, amylase is a type of protein that undergoes a biochemical reaction to change one molecule into another molecule. Digestive System Anatomy. Chemical digestion refers to the work performed by enzymes throughout your digestive tract, which break the bonds that hold molecules together so that proteins, carbohydrates and fats are split into single molecules. Once these bonds are broken, through a process known as hydrolysis, the proteins are close to becoming the essential amino acids needed by the body. During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase. There are two enzymes in your saliva called amylase and lipase. Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. Protein digestion occurs in the stomach and the duodenum through the action of three main enzymes: pepsin, secreted by the stomach, and trypsin and chymotrypsin, secreted by the pancreas. Chemical digestion helps to break down food into individual nutrients that your body can absorb. The digestion of protein starts in the stomach, where HCl and pepsin break proteins into smaller polypeptides, which then travel to the small intestine . ... Five Stages of the Digestion of Protein.

In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream. Once a protein … Although you may think the stomach is the primary site for digestion, the multistep process involves several organs and structures. Chemical digestion actually starts in the mouth when our saliva mixes in with the food. Saliva has an enzyme known as amylase that is important in breaking down carbohydrates. Chemical digestion occurs in several steps beginning in the mouth and ending with absorption in the small intestinal cells. Digestion is where nutrients in food are broken down into their component parts. During carbohydrate digestion the bonds between glucose molecules are … Protein digestion occurs in the stomach and the duodenum through the action of three main enzymes: pepsin, secreted by the stomach, and trypsin and chymotrypsin, secreted by the pancreas. The term mechanical digestion refers to the physical breakdown of large pieces of foo

Digestion is a form of catabolism that is often divided into two processes based on how food is broken down: mechanical and chemical digestion. They mostly break down carbohydrates and fats. Protein digestion begins when you first start chewing. During the chemical process of protein digestion, hydrochloric acid, along with enzymes known as pepsins, mix with the protein molecules and break the bonds that hold the molecules together. Chemical digestion in the small intestine is continued by pancreatic enzymes, including chymotrypsin and trypsin, each of which act on specific bonds in amino acid sequences.