Explain why HMG-CoA reductase is the rate-limiting enzyme of cholet rol synthesis. Show the relationship between cholesterol and bile.
Q: What are bile salts important for?
A: Bile secretion is the main function of liver. It is a complex greenish yellow alkaline fluid. It has…
Q: Please explain the role of pantothenic acid-derived CoA as a carrier of acetyl group in carbohydrate…
A: Coenzyme A is required for the metabolism of carbohydrates. Pantothenic acid is the prescursor of…
Q: Elevated liver NADH levels favors gluconeogenesis.Explain this statement.
A: Gluconeogenesis is a metabolic pathway that results in the generation of glucose from certain…
Q: Outline the synthesis of bile acids. What functions do these substances have?
A: Bile acids are amphipathic sterols synthesized from cholesterol in the liver and secreted into the…
Q: The lipoprotein that is responsible for transporting excess cholesterol from the peripheral tissues…
A: Lipoproteins are complexes made up of lipids and proteins. There function is to transport lipids in…
Q: How is the production of ketone bodies related to ketoacidosis?
A: Glucose is the primary source for the production of ATP, and when the body does not have enough…
Q: Where does Triglyceride digestion occur? Explain how?
A: Pancreatic lipase (pancreatic triacylglycerol lipase), is an enzyme secreted from the pancreas.…
Q: In terms of structure, how is cholesterol different from bile salts? Cite causes of bile duct…
A: Bile is a fluid that the liver produces and releases. The gallbladder is where they are kept. Bile…
Q: Blockage of the bile duct would be expected to affect Multiple Choice a) cellulose digestion.…
A: The main organs that are involved in the digestion process include the mouth (oral cavity),…
Q: Describe the composition of bile.
A: Bile is a bitter-tasting dark green to yellowish brown fluid, produced by the liver. Bile aids in…
Q: explain why maltose will or will not give a postive result with benedicts after digestion
A: Maltose is a disaccharide. It is made up of two molecules of glucose. Benedict's Test- This test is…
Q: Individuals who are lactose intolerant do not produce enough of the enzyme in the to properly digest…
A: Individual who are lactose intolerant do not produce enough of the enzyme lactase in the small…
Q: Discuss ketogenesis in details and also specify the ketone bodies.
A: Ketone bodies are ketone-containing lipid molecules that are used as alternative energy sources for…
Q: From the physiological perspective, what is the most important constituent of bile? What are its…
A: Bile acids are steroid acids which is common in the bile of mammals. Primary bile acids are…
Q: High levels of acetyl-CoA could be an indication of excess A. Arg, Glu, Ile B. Lys, Tyr, Trp…
A: Amino acids are the compounds that contain both amino and carboxylic acid groups. These are monomers…
Q: v) Explain why amylase stops working in the stomach.
A: Enzymes are proteins with catalytic powers. Amylase is a digestive enzyme which is produced mostly…
Q: Describe the effects of secretin and CCK on the bile ducts and gallbladder.
A: Several hormones are responsible for a variety of bodily processes. Secretin is a hormone that aids…
Q: The typical brown color of feces is due to bacterial breakdown of bile
A: Digestive system in human is the system which help in break down of complex food molecules into…
Q: At what pH is the activity of pepsin and salivary amylase equal?
A: Enzymes are the secretions of the digestive organs that work on specific types of food matter and…
Q: In upper gastrointestinal bleeding, without knowing the cause or source of bleeding, why do we give…
A: The main purpose of administration of a PPI is to reduce the acid production inside the stomach.…
Q: Describe the mechanism of action of salivary amylase. Explain how it works and on what type of…
A: Carbohydrate along with protein, fat and water comprise macro-molecules which are required in larger…
Q: Describe the neutralization reaction in the digestive system.
A: A neutralisation reaction is defined as " when an acid and base reacting to form water and salt". A…
Q: Explain the rationale for the production of ketone bodies during starvation.
A: Ketone bodies are considered as water-soluble molecules, which are produced from the fatty acids by…
Q: In evaluating jaundiced patients, clinicians often determine whether the bilirubin that accumulates…
A: Jaundice is considered a condition, where the color of the skin turn yellow, because of an increased…
Q: Discuss the Significance of pancreatic lipase.
A: note: since you have posted multiple questions we have answered the first question for you. if you…
Q: It is mentioned that a high-sucrose diet can cause non-alcoholic FLD. Explain
A: In people who drink little or non-drinkers, non-alcoholic fatty liver disease is the deposition of…
Q: Distinguish between the activities of bile salts and lipases
A: Digestion is a process in which complex molecules are first converted into simpler forms into the…
Q: Discuss the process of digestion and absorption of lipid. Explain the relationships between…
A: Lipids are hydrophobic biomolecules that are invovled in various structural and functional roles.…
Q: properly absorbed. Where does chemical digestion and mechanical digestion Occur in the digestive…
A: 2. The process of breakdown of food into smaller components that can be absorbed into blood stream…
Q: What is the normal fate of citrate formed by the condensation of acetyl CoA with oxaloacetate?
A: Introduction: The oxaloacetate combines with acetyl CoA to form citrate which is the starting point…
Q: In terms of structure, how is cholesterol different from bile salts? Cite causes of bile duct…
A: Cholesterol is a lipid with a unique structure consisting of four interconnected hydrocarbon rings…
Q: Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
A: The digestive system includes the gastrointestinal tract and accessory organ that help in digestion.…
Q: What is the danger of excessive amount of cholesterol in bile? Explain why.
A: Cholesterol is a waxy molecule that may be present in both your blood and cells. The majority of the…
Q: From the point of view of physiology, what is the most important constituent of bile? Provide at…
A: Bile is made in liver and stored in gallbladder. It is a greenish-yellow fluid. They are secreted…
Q: Describe the function of ferritin in the absorption of iron.
A: Blood is a specialized connective tissue composed of two components plasma and formed elements.…
Q: List the organs and structures of the digestive system that function in enzymatic hydrolysis and…
A: The function of the digestive system is to break down the foods you eat, release their nutrients,…
Q: In the intestine, the triacylglycerols must be converted to fatty acids and glycerol by hydrolytic…
A: Triglycerides (TAGs) are made from glycerol and three fatty acids (same or different). It is the…
Q: What is the action of salivary amylase? Differentiate between lipases and peptidases?
A: Enzymes are biological catalysts. They decrease the activation energy of the reaction. They help in…
Q: The products of bile acid synthesis are _____________ and _____________.
A: Bile juice/ acid is produced by liver and its help in emulsification of fats. Bile also helps to…
Q: What is the mechanism of the effect of urea as an inhibitor and NaCl as an activator in the activity…
A: α-Amylases are ubiquitous enzymes synthesized in all life genera. These enzymes can hydrolyze…
Q: Write down the chemical mechanism of HCl formation in the digestive system.
A: The stomach plays an important role in secreting the gastric juice which contains water,…
Q: Briefly describe the process of digestion and metabolism of dietary fatty acids.
A: Fatty acids are the simplest form of lipid that are long-chain hydrocarbons attached to a carboxylic…
Q: What are gastric antacids? Classify gastric antacids with suitable example. Why are Al(OH) 3 and…
A: In the stomach, the chemical digestion of food occurs by hydrochloric acid. Gastric acid is produced…
Q: Describe the digestive role of chymotrypsin. Which two other digestive enzymes of the same category…
A: Introduction Chymotrypsin is the protease enzymes more specifically serine proteases. They are…
Q: What is the purpose of bile acids in lipid digestion?
A: Bile acids are made from cholesterol. They are steroid acids found in the bile juice in mammals…
Q: Predict the physiological effects of a mutation that resulted in a deficiency of enteropeptidase.
A: Enteropeptidase is a proteolytic enzyme produced by intestinal mucosal epithelial cells. They brings…
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- Discuss the Significance of pancreatic lipase. Discuss the different gastrointestinal hormones Discuss the synthesis of bile saltsWhat are gastric antacids? Classify gastric antacids with suitable example. Why areAl(OH) 3 and Mg(OH) 2 used in combination antacid preparation? Show thecommercial manufacture of Al(OH) 3 and Mg(OH) 2.Describe the mechanism of action of salivary amylase. Explain how it works and on what type of molecules.
- From the point of view of physiology, what is the most important constituent of bile? Provide at least four important functions of it.a. Will salivary amylase hydrolyze glycogen? Explain. b. Will salivary amylase hydrolyze cellulose? Explain. c. Will salivary amylase hydrolyze sucrose? Explain.In terms of structure, how is cholesterol different from bile salts? Cite causes of bile duct obstruction and symptoms
- Distinguish between the activities of bile salts and lipasesIs human salivary alpha amylase under covalent modification.?Consider the reactions of ketogenesis. (a) What role does acetyl-CoA play?(b) How many acetyl-CoA molecules are used in the production of the ketonebodies?(c) What is the essential role of ketone bodies during prolonged starvation?