Which one of the following is found on cells that line the capillary wall of blood vessels adjacent to adipose tissue or muscle tissue that promotes release of fatty acids (FAs) from dietary triacylglycerols (TAGs) via hydrolysis? Chylomicrons Serum Albumin Bile Salts (Bile Acids) Prostaglandins Lipoprotein Lipase
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- "The following describe lipoprotein organization, classification & function, EXCEPT: " Each type of lipoprotein has a characteristic apoprotein necessary for the transport and metabolism of the lipid inside "Lipid content is less than protein thus, the higher the % TAG the less dense the lipoprotein" The amount of cholesterol and cholesteryl ester increases as lipoprotein density decreases "Chylomicrons and VLDL transport dietary and biosynthesized lipids to the peripheral tissues, respectively"Which enzyme catalyzes the conversion of Cholesteryl ester to cholesterol and fatty acid? Cholesteryl ester hydrolase Glycerol-3-phosphate oxidase Lipase PeroxidaseWhich of the following statements about the ketone bodies is/are TRUE? Produced during starvation and in diabetic patients Excess is transformed to acetone or hydroxybutyrate. Extreme amount of ketone bodies may cause ketosis in diabetics. Occurs during a high-lipid and low-protein diet.
- Out of the following, cholesterol does not serve as a precursor for which compounds?a) Vitamin Db) Sex hormonesc) Bile saltsd) Bile pigmentsWhich of the following are absorbed into epithelial cells of the intestinal villi, but not into the blood? Amino Acids Dipeptides Tripeptides Both dipeptides and Tripeptides Amino Acids and TripeptidesWhich of the following is a polar derivative of cholesterol?a) Bile saltb) Oestrogenc) Vitamin Dd) Progesterone
- Which of the following compounds is derived from arachidonic acid with the help of the enzyme lipooxygenases? Leukotrienes Thromboxanes Prostaglandins Saturated fatty acidsTo determine:The four types of lipids that would be present on the outside of a lipoprotein clump, bathed in the water-based fluid portion of blood.Introduction:The structure of lipoproteins is very complex. The core of the lipoproteins is made up of triglyceride, so it is hydrophobic, and cholesterol and phospholipids surround the hydrophobic core of this molecule. So, it is basically made up of lipids and amino acids.Which of the following is TRUE? The substrate for lipase is fatty acids When lipase is present and active it hydrolyzes triglycerides When triglycerides are hydrolyzed the pH would be elevated All of the above None of the above
- Lipoproteins that transport lipids from the diet are described as exogenous. Those that transport lipids produced in metabolic pathways are described as endogenous. Which of the following lipoproteins transportsexogenous lipids and which transports endogenous lipids?(a) Low-density lipoprotein (LDL)(b) ChylomicronsWhat is the role of each of the following lipoproteins in the transport of lipids? -VLDL -HDL -LDLWhat kinds of bonds do lipase break in order to release fatty acids from triacylglycerols? carbon-carbon double bonds carbon-carbon single bonds esters amide bonds