Differentiate the lipoproteins according to their density and function.
Q: Describe the digestion and absorption of each macromolecule (Proteins, Lipids (large and small),…
A: The digestive tract consists of mouth, esophagus, stomach, small intestine, and large intestine. The…
Q: Describe/define the five principal digestive juices (or fluids) that enter the digestive tract at…
A: Digestion is the process of breaking down food into its simpler forms, which is performed by various…
Q: Define about salivary amylase ?
A: Enzymes are called as catalyst which means that they enhance the rate of reaction. They are not…
Q: Explain how bile aids the digestive process even though it contains no enzymes
A: Bio-molecule that we taken up from food can not be use by the body directly or in the original…
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: define pepsin.
A: The digestive system is the organ system responsible for chemical and mechanical digestion of the…
Q: Describe the functions and regulation of motility in the small intestine?
A: Small intestine: - It is one of the most important part of digestive system, which is the primary…
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: How does bile help in the digestion of fats?
A: The digestive system consists of organs that convert the food which is consumed into energy and…
Q: Describe the lipoproteins that transport lipids in the blood.
A: Lipids can be defined as the macromolecules that are made up of hydrocarbons. The lipids make up…
Q: Describe the digestion of carbohydrates in the body.
A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature…
Q: Distinguish among the four plasma lipoproteins in termsof their composition and their function.
A: Cholesterol is a kind of derived lipid that is made up of fused cyclohexane and cyclopentane rings…
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: When a person undergoes gastric bypass surgery, can their hunger, appetite, and satiety cues change?
A: Gastric bypass surgery is used for management of obesity. As the name suggests, in this surgery, the…
Q: Which vitamins are synthesized in the gut by intestinal flora ?
A: Vitamins are micromolecules that are essential for the normal growth and development of organisms.…
Q: Explain the digestion and absorption of carbohydrates.
A: Carbohydrates are the biomolecules present in food with a diverse range of functions.
Q: Amino acids are absorbed into the intestinal cell by:
A: Answer: These small peptides are absorbed into the small intestinal epithelial cell by cotransport…
Q: describe the general processes of digestion and absorption of each of the following: carbohydrates,…
A: Carbohydrates, proteins, fats and nucleic acids are the four macromolecules that plays a major role…
Q: What is the structure separating the mucosa from the underlying mucosa?
A: The innermost layer of the gastrointestinal tract is the mucosa which consists of connective tissue…
Q: Explain how gastric secretion is regulated.
A: Large insoluble food molecules are broken down into small water-soluble food molecules during…
Q: Enumerate the different protein portions of lipoproteins or the so called APOLIPOPROTEINS. Specify…
A: a. Lipoproteins are spherical to discoidal shape with a core of nonpolar lipids, triacylglycerol,…
Q: Which of these lipoprotein molecules transports excess lipids fromcells back to the liver?a.…
A: Lipoproteins are a special assembly to transport hydrophobic molecules such as fats in the aqueous…
Q: Describe the alimentary canal of human body
A: The digestive system comprises the gastrointestinal tract called the GI tract, liver, pancreas, and…
Q: What are the types of lipase involved in digestion ? List their functions.
A: Lipases are the enzymes that helps in digestion of lipids / fats. They breaks complex lipids into…
Q: How do lipoproteins transport water-insoluble lipid molecules in the bloodstream?
A: Lipoproteins are complex aggregates of lipids and proteins.
Q: Explain why lipids must be absorbed by lacteals rather than the blood capillaries within a villus
A: It is a small, slender, vascular projections that increase the surface area of a membrane.
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: 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: Which lipoprotein has the highest content of protein? A.VLDL B.LDL C.HDL D.Chylomicrons
A: Lipoproteins are complex lipids made up of cholesteryl ester and triacylglycerol that are encased in…
Q: Name the principal sites of digestion of proteins,carbohydrates, and fats, and indicate the…
A: Digestion is the process of breakdown of complex food particles into smaller ones to absorb…
Q: What is the function of the sodium bicarbonate in the small intestine? Why is this important?
A: Sodium bicarbonate is mainly act as buffer in body . Is the case of our digestive system it maintain…
Q: Name the layer and sublayer of the alimentary canal wall that houses the capillaries into which…
A: There are four major layers present in the alimentary canal:- 1. Serosa 2. Muscularis 3. Sub mucosa…
Q: What would happen if HCl were not secreted in the stomach?
A: Living organisms can be differentiated from non-living organisms on the basis of internal growth,…
Q: What are the primary roles of Lipoprotein A, Intermediate Density Lipoprotein and Lipoprotein X?
A: Lipoproteins are cholesterol-carrying components that are used in carrying cholesterol through the…
Q: Describe carbohydrate digestion, where it takes place in the body, the enzymes involved, and name…
A: Introduction: Carbohydrate is a biomolecule which consists of carbon, hydrogen and oxygen.…
Q: Define high-density lipoprotein (HDL)
A: Cholesterol is a waxy, fat like substance that is found in all cells in our body. Liver makes…
Q: Does a high-fat meal raise or lower the level of cholecystokinin (CCK) in the blood?
A: Fat and protein in the stomach cause the release of cholecystokinin
Q: Explain heme and nonheme iron, and discuss the factors that influence their absorption in the body
A: Blood is a bodily fluid made up of red and white blood cells, proteins, platelets, and other…
Q: What protein does saliva have that helps break down starchy foods?
A: Proteins are molecules that are composed of amino acids. Amino acids are joined by peptide bonds to…
Q: process of fat digestion/degradation.
A: Fats are basically lipid mixture that is obtained from biological sources. They are the esters of…
Q: for which purpose salivary amylase helps in?
A: Enzymes are a protein that acts as biological catalysis. Catalysts accelerate chemical reactions.…
Q: State the role of pancreatic juice in digestion of proteins.
A: The juices that are secreted by the pancreas are more specifically called the pancreatic juices. The…
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- What is the differencebetween water-soluble andfat-soluble vitamins? Why canfat-soluble vitamins causeharm when ingested inexcess?Mr. Kuda weights 200 pounds and is determined to lose weight. He hasbeen on a fat free diet - a diet that only restricts lipid intake but has no limitson other macromolecules. Mr. Kuda has been on this diet for 6 weeks andhe has not noticed any weight loss at all. He wonders if this diet wouldwork if he goes on it for a longer period of time.Would a patient with familial hypercholesterolemia (FH) benefit fromdietary changes?
- A drug that reduces blood cholesterolhas the effect of stimulating the production of bile salts. Howmight this result in lower blood cholesterol? Hint: There aretwo ways.Which is the type ofmuscle tissue that performsthe peristaltic movements ofthe intestines?Contrast the composition of the four layers in the wall ofthe alimentary canal.
- Coming from the acid pHof the stomach which pH leveldoes the chyme find when itenters the duodenum? Why isit necessary to maintain thatpH level in the small intestine?What are the organsresponsible for that pH leveland how is it kept?How does vitamin C act inthe body? What is the harmcaused by insufficiency ofvitamin C? Why was thisdeficiency also known as“sailors' disease”?Describe the absorption and transport of lipids. Explain the reasons why high levels of low-density lipoprotein an indication poor eating habits or possible cardiovascular problems could be.