Explain to a young man, with reduced numbers of receptors for LDL, why his cholesterol level is elevated.

Q: Why must cholesterol be transported through the bloodstream in lipoprotein particles?

A: Proteins are known to be extremely complex macromolecular components. They are located in all living…

Q: the role of LDL receptors in cholesterol uptake and metabolism.

A: Low-density lipoprotein receptor is mosaic protein with 839 amino acids, that mediates the…

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 small intestine catabolizes amino acids, producing signifi cant amounts of NH4+. Describe the…

A: The small intestine is the major site in the body, which helps in the process of absorption. All the…

Q: Why does a deficiency of carbohydrates in the diet lead to ketone body formation?

A: Carbohydrates are polyhydroxy ketone or polyhydroxy aldehyde or compounds which produce them on…

Q: Provide an example of a water-soluble vitamin and a fat-solublevitamin, and explain why each is…

A: The vitamin term is derived from the word “vitamine”. Vitamins are the organic molecules that are…

Q: At high lipid intake but low CHO intake, the body adjusts to a different pathway. Explain in…

A: Lipids are water insoluble organic compounds that are stored in the form of triglycerides (fats) in…

Q: Define lipase

A: Lipase is an associated protein the body uses to interrupt down fats in food in order that they may…

Q: Can fat be digested and absorbed in the absence of bile salts? Explain.a

A: In humans, fat or lipid digestion begins when the chyme from the stomach reaches the small…

Q: Which lipoprotein particles contain “good” and “bad” cholesterol, and why are these terms used?

A: The non-polar lipids like triacylglycerols and cholesteryl ester along with proteins and amphipathic…

Q: Why is it necessary for enzymes that digest protein to be secreted in an inactive form?

A: Enzymes are the biocatalysts which are used in reaction which catalyzes the reaction.  The enzymes…

Q: How does a ketogenic diet decrease LDL and increase HDL?

A: Carbohydrates, lipids, proteins, vitamins, minerals, water, and a variety of other components make…

Q: Describe the sources and functions of cholesterol.

A: Fats Fats are mainly composed of triglyceride. It is made up of a triple ester of glycerol and…

Q: In healthy adults, the concentration of glucose in blood is approximately 80 to 110 milligrams per…

A: An fundamental physiological function that keeps the human body's vitality balance stable is blood…

Q: How does a ketogenic diet decrease the level of urea in obese patients and increase the level of…

A: Acetyl-coA, which is formed from the B-oxidation of fatty acids, is used to make ketones. Ketone…

Q: Lipoproteins that transport triacylglycerols from intestinal cells to the bloodstream are called

A: A lipoprotein is a biochemical assembly whose primary function is to transport hydrophilic lipid…

Q: Most amino acids are degraded in the liver. This is not trueof the branched-chain amino acids, most…

A: Amino acids are building blocks for proteins/polypeptides. There are twenty amino acids present in…

Q: Explain the role of LDL receptors in metabolism and their connection to cholesterol

A: LDL receptors are presented on the cell membranes of hepatocytes along with other cells in the body.…

Q: Chemically, Olestra is made of a six-carbon backbone and six fatty acid attachments. No nutrients…

A: Olestra- Indigestible fat and composed of 6 fatty acid attachments.

Q: Describe the fate of fatty acids absorbed by enterocytes based on the reaction with…

A: The majority of the fats in the diet exist as triacylglycerol. They are hydrolyzed into…

Q: Why is daily ingestion of vitamin C more critical than daily ingestion of vitamin A?

A: Vitamin A : It is a fat-soluble vitamin that is naturally present in many foods. Vitamin A is…

Q: Why are bile salts and lipase necessary for breakdown of fats?

A: Fats are basically lipid mixture that is obtained from biological sources. They are the esters of…

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: Write the equation for the action of Pancreatin (lipase) on a molecule of Tristearin.

A: Tristearin : Beef's primary fat. It is a triglyceride, which has 1 glycerol attached with 3 fatty…

Q: Explain why blood glucose after consumption of milk can indicate someone’s ability to digest…

A: Blood glucose levels after consumption of milk can indicate someone's ability to digest lactose due…

Q: Explain how fiber-rich foods affect cholesterol absorption.

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Describe the three stages of cholesterol synthesis.

A: Cholesterol is a natural substance. It's a lipid called a sterol (or modified steroid). All animal…

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…