Write down the chemical mechanism of HCl formation in the digestive system.
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Write down the chemical mechanism of HCl formation in the
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- Mention the locations where the digestion and absorption of carbohydrates and proteins occur. Give examples of the chemical agents involved in the digestion of carbohydrates and proteins.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.Which enzymes are present in saliva? Explain all in detail.
- Describe the mechanism of action of salivary amylase. Explain how it works and on what type of molecules.The neural and hormonal control of the digestive system is divisible into three phases. Discuss the gastric phase of the regulation which produces more than 50% of gastric acid.Describe the neutralization reaction in the digestive system.
- How can constipation impact the digestive system? Illustrate this in a well-written paragraph as well as a diagram.Lipid absorption involves hydrolysis of dietary fat in the lumen of the intestine followed by the uptake of hydrolyzed products by enterocytes. True FalseWhich of the following processes is true regarding the digestion of a solution containing a precipitate? A) Stomach acid aids in the digestion process and is used to increase the purity of the precipitate. b) A long digestion is not recommended because the higher temperatures enable impurities to become trapped in the crystal lattice of the precipitate. c) Digestion is used to slow down the coagulation of a colloidal precipitate because of the increased energy added to the solution. d) Digestion tends to increase particle size of the precipitate.
- During absorption in the small intestine, nicotinic acid and nicotinamide both enter the enterocyte by _____________________. only active diffusion both facilitated and passive diffusion only passive diffusion only inactive transportexplain why maltose will or will not give a postive result with benedicts after digestionDefine enterokinase