Which of the following compounds is derived from arachidonic acid with the help of the enzyme lipooxygenases? Leukotrienes Thromboxanes Prostaglandins Saturated fatty acids
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Which of the following compounds is derived from arachidonic acid with the help of the enzyme lipooxygenases?
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Leukotrienes |
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Thromboxanes |
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Prostaglandins |
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Saturated fatty acids |
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- Acetoacetate is mostly formed from fatty acids in the: Adipocytes Intestinal epithelia Neurocytes Hepatocytes MyocytesWhich enzyme catalyzes the conversion of Cholesteryl ester to cholesterol and fatty acid? Cholesteryl ester hydrolase Glycerol-3-phosphate oxidase Lipase PeroxidaseWhich of the following about eicosanoids is incorrect? A. Cyclooxygenase pathway produces prostaglandins from arachidonic acid. B. Lipoxygenases metabolize arachidonic acid to thromboxane. C. Lipoxygenase pathway produces leukotrienes. D. Phospholipase A2 catalyzes the liberation of arachidonic acid from phospholipids
- Which of the following is not made from excess Acetyl CoA when a person is starving? Acetone Fatty Acids Acetoacetate 2-hydroxybutyrateWhich of the following enzymes catalyze a reaction where a ketone is converted to an acid? Alpha-ketoglutarate dehydrogenase Glyceraldehyde 3-phosphate dehydrogenase Pyruvate decarboxylase Fumarase HexokinaseWhich 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
- Which of the following is a polar derivative of cholesterol?a) Bile saltb) Oestrogenc) Vitamin Dd) ProgesteroneOut of the following, cholesterol does not serve as a precursor for which compounds?a) Vitamin Db) Sex hormonesc) Bile saltsd) Bile pigmentsAll the following amino acids are converted to succinyl-CoA except Group of answer choices Lysine Methionine Isoleucine Valine
- Which of the following classes of compounds stimulates the release of insulin from pancreatic β-cells? a. Thiourylenes b. Biguanides c. Progestins d. Sulfonylureas e. α-Glucosides inhibitorsWhat enzymes catalyzes causes a reaction where a ketone is converted to alcohol? Glyderaldehyde 3-phosphate dehdrogenase Fumarase Heokinase Alpha-ketogltarate dehydrogenase Triose phosphate isomeraseWhich of the following condenses with oxaloacetate to form citrate? A) carboxybiotin B) cis-aconitate C) acetyl-CoA D) oxalosuccinate E) succinyl-phosphate