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- Why is it necessary for enzymes that digest protein to be secreted in an inactive form?Digestion of proteins in the acidic environment of the stomach is carried out by the enzyme pepsin. A different enzyme, called trypsin, digests proteins in the neutral environment of our small intestine. The amount of each enzyme are the same and the amount of substrate is the same between the stomach and small intestine. Explain why our bodies use two different enzymes to digest proteins in the stomach and the small intestine.The movement of amino acids across simple columnar epithelium of the small intestine in tube the blood represents what?
- Normally our body can digest proteins very efficiently, but how come some proteins are not completely digested from foods? What happens to these undigested or partially digested proteins?What happens to the products of the digestion of lipids? They are absorbed into a: O a) capillary and transported by the blood to the liver b) capillary and transported by the blood to the heart O c) lacteal and transported by the lymph to the thoracic duct O d) lacteal and transported by the blood to the liver via the hepatic portal systemWhat are the enzymes that catalyze the digestion of proteins ?
- Which types of macromolecules (protein, carbohydrate, fat, or nucleic acid?) can be enzymatically digested in the oral cavity, stomach small intestine (answer this specific question based on Fig 33.9)What type of reaction must take place in order for chemical digestion to occur?What is the process that makes the peptide bonds of proteins available to digestive enzymes? Digestion Denaturation Peptidase Hydrolyzing
- Which of the following is NOT an enzyme secreted into the small intestine as an aid to chemical digestion: A) Bile B) Lipase D) AmylaseThe brush border enzyme that finishes thejob of protein digestion, splitting the lasttwo amino acids apart, is called-----------------------Why are bile salts and lipase necessary for breakdown of fats?