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КРОК / KROK
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A 5-year-old child after drinking milk often develops the following symptoms: abdominal distension, spastic pain and diarrhea. These symptoms develop after 1-4 hours after single instance of taking milk. What enzymes are deficient, thus, causing the described symptomatology?
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During examination a woman presents with enlarged thyroid gland, exophthalmos, increased basal metabolism and heat production, tachycardia, tearfulness, and nervousness. This clinical presentation is characteristic of the following disease:
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Gelatin expands the most in the following solvent:
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Microorganisms in the environment are being affected by various physical factors. What is the effect of high temperature on a microbial cell?
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What two working solutions are used in determination of hydrogen sulfide in mineral waters by means of iodometry (back titration)?
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The surface activity of diphilic molecules can be described using the Traube-Duclos rule. How will the surface activity of fatty acids change in the area of low concentrations, if the length of the hydrocarbon radical increases by three –СН_2- groups?
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When determining oxidizing agents by means of iodometry in the presence of starch the following phenomenon can be observed at the titration endpoint:
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The pharmacy of a tuberculosis clinic has received tuberculin. What is the purpose of this substance?
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For eczema treatment, a doctor has prescribed the patient a medicine that must be applied transdermally. What is the maximum number of microbial bodies allowed in 1 g of this product, according to the regulations of the WHO and the Pharmacopoeia?
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Each stem node of white deadnettle (Lamium album) has two leaves that grow perpendicularly to the leaves of the previous node. Such leaf arrangement is called:
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