Best Answer: Probably the same as any other major... probably even shorter than some (such as pre-med), so 4 years. For my school, you need Intro, Research Methods ...
Digestion of foods in the small intestine. The small intestine continues the process of digestion and various enzymes are present there to break starches down further. These enzymes are called disaccharidases. The best known is lactase, which is the enzyme necessary to digest milk sugar. This enzyme is normally present in all young mammals who need this to digest mother's breast milk. With age and as breast feeding finishes, production of this enzyme ceases for life.
Confidence votes 282. 1. Pepsin is the important digestive enzyme of the stomach.2. Pepsin can essentially digest any protein in the diet.3. Lacking sufficient pepsin, protein foods are poorly penetrated by other digestive enzymes further on and are thus poorly digested.epsin breaks down proteins into peptides and is found in the stomach, its secreted from the gastric glands found in the lining of the stomach. + 2 others found this useful.