Enymen and pH Pepsin Trysin pH 1. Name the enzyme that works best in highly acidic environments. 2. Which enzyme works best in alkaline (less acidic) environments? 3. At which pH value does pepsin work best? 4. At which pH value does trypsin work best? 5. What might the graph indicate about the relative acidity of the stomach? 6. What might the graph indicate about the relative acidity of the small intestine? Rate of Reaction
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- 21, In the stomach, H+/K+ pump actively transport H+ against its concentration gradient Multiple Choice out of the gastric lumen while transporting K+ in the opposite direction. out of the gastric lumen while transporting K+ in the same direction. into the gastric lumen while transporting K+ in the opposite direction. into the gastric lumen while transporting K+ in the same direction.Pls help me out Give the correct word/phrase that best expresses a relationship similar to that in the original pair. Glycosilated Hgb:DM •___________: IDA __________: NAD & FAD •Keto acids: Ketoglutarate & Ketoisovalerate Epinephrine & Dopamine: ___________ •Pepsinogen & Trypsinogen: Zymogens Lipids: Beta-Oxidation •Proteins: ___________ ____________: Lectin •Triticum aestivum: Glutelin ___________:Productive cough •Keratolytic: Keratoderma ___________: Amino Acids •Polysaccharide: Monosaccharide Tubulin: ___________ •Histidine: Hematopoiesis Histamine: IgE •Sweat: __________ HCl: Pepsin •___________: FibrinDescribe 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.
- Describe the process of CHO digestion and absorption in the mouth, stomach, SI, enterocyte, and LI. Describe the function of alpha-amylase (salivary and pancreatic). Describe the difference in the digestion of amylose vs amylopectin and glycogen. Describe the function of each enzyme responsible for carbohydrate breakdown. Focus on how each enzyme is different and their important contribution to digestion of different types of carbs. Describe the three types of transport necessary for CHO absorption. Identify which monosaccharides can be absorbed for each mechanism. Describe general regulation of CHO absorption. Describe the normal response of blood glucose, insulin, and glucagon to eating a CHO-containing meal. Describe how insulin secretion is stimulatedBriefly describe the components of the four major types of lipoproteins and explain the function of each in relation to lipid metabolism in humans.Assessing a remedy for flatulence Certain foods, particularly beans and legumes, contain substances that are indigestible by the human stomach, but which are readily metabolized by intestinal microorganisms producing flatulence. One of the components of such foods is stachyose. Beano is a commercial product that can prevent flatulence. Describe the likely breakdown of stachyose in the human stomach and intestines and how Beano could contribute to this process. What is the appropriate name of the active ingredient in Beano responsible for preventing flatulence?
- 1. State if true or false a. Microbial enzymes can digest carbohydrates containing β–1,4 bonds b.Glycerol 3-phosphate shuttle, which is active in skeletal muscles and in the brain, bypasses Complex I and II of ETC resulting to less energy produced compared to malate-aspartate shuttle. c.Insoluble NSP has high water holding capacity and will increase the intestinal transit time of digesta.Can you find the catalytic amino chain and sequence , n- terminal sequence, c-terminal sequence and active site from the whole sequence of Horse pancreatic lipase created by PDB. 1HPL_1|Chains A, B|LIPASE|Equus caballus (9796) NEVCYERLGCFSDDSPWAGIVERPLKILPWSPEKVNTRFLLYTNENPDNFQEIVADPSTIQSSNFNTGRKTRFIIHGFIDKGEESWLSTMCQNMFKVESVNCICVDWKSGSRTAYSQASQNVRIVGAEVAYLVGVLQSSFDYSPSNVHIIGHSLGSHAAGEAGRRTNGAVGRITGLDPAEPCFQGTPELVRLDPSDAQFVDVIHTDIAPFIPNLGFGMSQTAGHLDFFPNGGKEMPGCQKNVLSQIVDIDGIWQGTRDFAACNHLRSYKYYTDSILNPDGFAGFSCASYSDFTANKCFPCSSEGCPQMGHYADRFPGRTKGVGQLFYLNTGDASNFARWRYRVDVTLSGKKVTGHVLVSLFGNKGNSRQYEIFQGTLKPDNTYSNEFDSDVEVGDLEKVKFIWYNNVINLTLPKVGASKITVERNDGSVFNFCSEETVREDVLLTLTACWhy ALT is considered as more specific than AST regarding liver function? Which one is involved in hepatic urea synthesis? Describe the origin of urea at the molecular level?
- Activity of Salivary Amylase: 1. What is the composition of saliva? What are its functions? 2. What are the principal salivary glands in man?27, Which of the following statements about fatty acids absorption is TRUE? Multiple Choice Fatty acids are exported packaged into protein complexes and absorbed into lymph Fatty acids are released as lipidic vesicles called micelles into the bloodstream Fatty acids are packaged in the intestinal lumen in protein complexes called chylomicrons Fatty acids-bile salts complexes diffuse freely through the basolateral surface of intestinal cell membraneIs human salivary alpha amylase under covalent modification.?