Тест 1
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Питання №: 51Albinos become tanned poorly, instead they get sunburns. The disorder of what amino acid metabolism causes this phenomenon? Glutamate Methionine Tryptophan Phenylalanine Histidine Питання №: 52Succinate dehydrogenase catalyses the dehydrogenation of succinate. Malonic acid HOOC - CH -COOH is used to interrupt the action of this enzyme. Choose the inhibition type: Limited proteolysis Competitive Non-competitive Dephosphorylation Allosteric Питання №: 53Pharmacological effects of antidepressants are based upon blocking (inhibiting) the enzyme that acts as a catalyst for the breakdown of biogenic amines noradrenalin and serotonin in the mitochondria of cephalic neurons. What enzyme takes part in this process? Lyase Transaminase Peptidase Decarboxylase Monoamine oxidase Питання №: 54A 1-year-old child was brought to a clinic with signs of muscle weakness. Through the inspection, the deficiency of carnitine in the muscles was determined. The biochemical mechanism of the development of this pathology consists in the disorder of the process of: Transport of fatty acids into mitochondria Regulation of the level of Ca2+ in mitochondria Substrate level of phosphorylation Utilization of lactate Synthesis of actin and myosin Питання №: 55A diet enriched with lipotropic substances is recommended to a 65-year-old patient with signs of total obesity and fatty dystrophy of the liver. Which substances from the listed below are lipotropic? Vitamin C Cholesterol Glucose Methionine Glycine Питання №: 56For diagnostics of certain illnesses the determination of blood transaminases activity is required. Which vitamin is a component of the cofactor for these enzymes? B1 B2 B3 B5 B6 Питання №: 57Patient's amylase activity in the urine excesses the normal values in ten times as much. Point out the possible diagnosis: Viral hepatitis Diabetes mellitus Acute pancreatitis Influenza Angina |