Тест 1
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Питання №: 26A 35-year-old man with pheochromocytoma has high levels of epinephrine and norepinephrine registered in the blood. The concentration of free fatty acids is increased by a factor of eleven. Which of the following enzymes accelerates the lipolysis under the action of epinephrine? Triacylglycerol lipase Lypoprotein lipase Phospholipase A1 Phospholipase C Cholesterol esterase Питання №: 27Vitamin B3 (niacin) is a part of coenzyme: Coenzyme A FMN, FAD NAD, NADP TPP PALP Питання №: 28Under fatty infiltration of the liver the synthesis of phospholipids is disturbed. Which substance from the listed below can stimulate processes of methylation in the synthesis of phospholipids? Methionine Ascorbic acid Glucose Glycerol Citrate Питання №: 29What inhibitors are nerve toxins? Penicillins Aspirin Sulfa drugs Organophosphate compounds Malonic acid Питання №: 30What enzymes catalyze the reactions of protein-enzyme phosphorylation? Protein hydrolases Protein synthetases Protein phosphatases Protein kinases Protein oxidases Питання №: 31Post-translational covalent modification is an important factor in the regulation of the enzymes' activity. Choose the mechanism of regulation of glycogen phosphorylase and glycogen synthetase activities from the following: ADP-ribosylation Methylation Adenylation Restricted proteolysis Phosphorylation-dephosphorylation Питання №: 32In a human body the adipose tissue is the basic location of triacylglycerols (TAG) deposit. At the same time their synthesis takes place in hepatocytes. In the form of what molecular complexes TAG transported from the liver into the adipose tissue? Chylomicrons VLDL LDL HDL Complexes with albumin |