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Питання №: 23Lactate dehydrogenase (LDH) isoenzymes catalyze the transformation of pyruvate to lactic acid in different types of tissues. Point out the structural distinctive peculiarity of each LDH isoenzyme: Different native protein structure Different level of structural organization in native molecule Different by the type of coenzyme in native molecule Different by the quantity of subunits Different by the combination of subunits, forming a native molecule Питання №: 24Which substance activates pepsinogen? Trypsin Enterokinase Chymotrypsin Pepsin Protein kinase Питання №: 25To prevent attacks of acute pancreatitis a doctor prescribed the patient trasylol (contrycal, gordox), which is an inhibitor of: Trypsin Elastase Carboxypeptidase Pepsin Gastricsin Питання №: 26Many people, especially Asians, suffer severe intestinal distress on consuming milk or milk products. The insufficient activity of what enzyme is a cause of indicated disorders? Sucrase Amylase Lactase Isomaltase Maltase Питання №: 27Optimal conditions for the determination of the enzyme activity in the pancreatic juice are: 5oC pH 80 high concentration of substrates 20oC pH 65 low concentration of substrates 40oC pH 80 high concentration of substrates 50oC pH 10 low concentration of substrates 40oC pH 50 high concentration of substrates Питання №: 28What kind of reactions is catalyzed by Hydrolases? Hydrolytic cleavage of substrates Transfer of hydrogen atoms between substrates Addition to double bonds Formation of bonds with ATP cleavage Formation of ester bonds between radicals Питання №: 29Laboratory investigation of a patient revealed a high level of plasma LDL. What disease can be diagnosed? Gastritis Nephropathy Acute pancreatitis Atherosclerosis Pneumonia |