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At what pH values is pepsin likely to be denatured? Justify your answer.
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- Activity : 1 assending starch digestion by salvary amylase : Always perfoms before you start activites and questions before gathering data amylase : Before you start equation starch + water _____ amylase , maltose 1 . ) describe the usual role of salivary and pancreatic amylase in digestion : identify reactant : prodcut : body location body temperature ( c) : Ph : What do you effect do you think freezing will have on the enzyme amylase ?3.How does the mouth achieve initial digestion of carbohydrates? Choose from the choices below. by means of the salivary amylase which is produced by the salivary glands through the HCl acid produced by the chief cells at the outermost oral epithelia due to the enzymatic action of the pancreatic juices produced in the mouth#2.Explain in detail Describe in details each parts of the human system related with digestive system and it's each individual function starting from mouth to rectum . Also explain the process of digestion. (Include all the enzymes produced) explain in details. M ?
- Describe protein digestion by location: mouth, stomach, small intestine, enterocyte, large intestine. Define zymogen/proenzyme. Describe each key enzyme in protein digestion (including how each are activated). Describe the function and importance of enteropeptidase. Describe the function and importance of trypsin. Know the difference between an endogenous and exogenous peptidase. Describe the functions of brush border peptidases and cytosolic peptidases. Describe absorption of peptides and absorption of amino acid (they are different). Describe different fates of amino acids once they are absorbed and released into circulation. Describe what can happen if protein is not absorbed properly.Describe the main actions in the mouth, stomach, small intestine, and large intestine during lipid digestion and absorption. Describe the substrate(s) and product(s) of each of the give major enzymes we discussed: lingual lipase, gastric lipase, pancreatic lipase, phospholipase A2, and carboxyl ester lipase. Describe emulsification of lipids. Why does this need to happen for digestion and absorption to occur? Describe how lipids are absorbed at the apical membrane. Describe lipid transport in the enterocyte. Describe lipid transport across the basolateral membrane and into circulation. Define the brain-gut axis and give examples of how lipids impact. Give examples of symptoms related to malabsorption of lipids. Give examples of diseases/conditions involving malabsorption of lipids.Enzyme 1 has peak activity at pH 2.4 and Enzyme 2 has a peak activity at pH 8.4. Which of the following choices correctly identifies the two enzymes? A) 1- pepsin; 2- lingual lipase B) 1 - pepsin; 2 - carboxypeptidase C) 1 - trypsin; 2 - aminopeptidase D) 1- trypsin; 2 - amylase E) 1- trypsin; 2- pepsin
- 12. THE PROCESS DIGESTION INVOLVES?A. ISOMERIZATIONB. OSMOSISC. HYDROLYSISD. OXIDATION 13. AN EMULSIFYING AGENT THAT MAKES LIPIDS TO UNDERGO HYDROLYSIS?A. PEPSINB. LIPASEC. BILED. AMYLASE 14. ENZYME INVERTASE IS IN THE?A. STOMACHB. PANCREASC. LARGE INTESTINED. SMALL INTESTINEE. MOUTH 15. SALIVARY AMYLASE IS AN ENZYME PRESENT IN THE? A. STOMACHB. PANCREASC. LARGE INTESTINED. SMALL INTESTINE E. MOUTH3.How does the mouth achieve initial digestion of carbohydrates? Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer. by means of the salivary amylase which is produced by the salivary glands through the HCl acid produced by the chief cells at the outermost oral epithelia as a result of the chewing (mechanical digestion) of the oral muscles and the teeth due to the enzymatic action of the pancreatic juices produced in the mouthThe role of the liver in digestion is to: a. synthesize aminopeptidase and dipeptidase to digestpolypeptides. b. synthesize lipase to form free fatty acids. c. secrete trypsin to break the bonds in polypeptides. d. secrete bicarbonate ions and bile salts to help emulsify fats. e. store bile between meals.
- Watch this animation (http://openstaxcollege.org/l/sintestine) that depicts the structure of the small intestine, and, in particular, the villi. Epithelial cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems. In the small intestine, the products of food digestion are absorbed by different structures in the villi. Which structure absorbs and transports fats?If the fat in whole milk is ingested: a. the stomach, with its high pH, will stimulate cells of the duodenum to hasten stomach emptying. b. parietal cells in the stomach will absorb it. c. in the small intestine, bile salts emulsify the fats and then lipase hydrolyzes them. d. lactase deficiency in the small intestine would prevent its digestion. e. microvilli will absorb the fat in the form of chylomicrons directly into the blood of the hepatic portal vein.Describe the primary function of stomach in a nice paragraph, orderwise, what are all the Main Enzymes , also what are the cells present in the lining of the stomach , describe about pepsin n pepsinogen and what do the contraction of muscle in stomach helps to ?? All the contributions to food digestion