Тест 1
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Питання №: 6The stability of primary structure of proteins is supported by one of these bonds. Which? Ionic Estheric Hydrogen Peptide Disulfide Питання №: 7A 27-year-old patient was found having pathological signs in the liver and cerebrum. A sharp decrease of copper level was determined in the blood plasma, whereas the urine concentration of the metal proved to be increased. A supposed diagnosis is Willson's disease. What blood plasma enzyme activity is it necessary to test to confirm the diagnosis? Xanthine oxidase Carboanhydrase Ceruloplasmin Leucine aminopeptidase Alcohol dehydrogenase Питання №: 8Point out the group of peptidases which trypsin is belong to: Aminopeptidase Exopeptidase Endopeptidase Dipeptidase Carboxypeptidase Питання №: 9A 45 y.o. woman suffers from Cushing's syndrome - steroid diabetes. Biochemical examination revealed hyperglycemia. Which of the under-mentioned processes is the first to be activated? Gluconeogenesis Glycogenolysis Glucose reabsorption Glucose transport to the cell Glycolysis Питання №: 10Ammonia is a very poisonous chemical, especially for the nervous system. What substance takes a particularly active part in the detoxication of ammonia in the brain tissue? Lysine Glutamine Proline Histidine Alanine Питання №: 11A mother of a 5-year-old child has noticed that the child's urine is too dark. The child does not have any complaints. Bile pigments are not present in the urine. The diagnosis of alcaptonuria is set. The deficiency of what enzyme is observed in this case? Oxyphenylpyruvate oxidase Phenylalanine hydroxylase Tyrosinase Homogentisate oxidase Decarboxylase of phenylpyruvate Питання №: 12Potassium cyanide is a very dangerous poison that causes instantaneous death of a human organism. What mitochondrial enzyme is affected by potassium cyanide? Cytochrome P450 Flavine enzymes Cytochrome b NAD+-dependent dehydrogenases Cytochrome oxidase (cytochrome aa3) |