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Intensive physical work leads to accumulation of lactic acid in muscles. What enzyme enables formation of lactic acid from pyruvate in the process of anaerobic glycolysis?
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In some diseases of the large intestine, the quantitative ratio of various mucosal epithelial cells may change. What type of cells is normally predominant in the epithelium of the crypts of the large intestine?
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In the epithelium of the airways, there are cells with a dome-shaped apical part with microvilli on its surface. These cells have a well-developed synthetic apparatus and contain secretory granules in their apical part. Name these cells.
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A 50-year-old man came to a hospital with complaints of memory disorders, painful sensations along the nerve trunks, decreased mental ability, circulatory disorders and dyspepsia. Anamnesis states excessive alcohol consumption. What vitamin deficiency can result in such symptoms?
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A human embryo unattached to the endometrium was detected in the uterine cavity. What stage of embryo development is it?
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The molecules of mature mRNA in a cell are the carriers of genetic information about the sequence, in which certain amino acids must attach to each other. What is coded within the mRNA molecules?
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A patient diagnosed with acute pulpitis complains of toothache and swollen lower face on the side of the affected tooth. What is the leading mechanism of edema development in this disease?
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To clarify the diagnosis of a 15-year-old patient, it is necessary to perform a sialography of the parotid gland. Where is the opening, through which a radiocontrast agent will be introduced in this case?
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During identification of pure culture of microorganisms the most important part is a serological identification that is conducted by means of agglutination reaction. What components are necessary to conduct this reaction?
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During a spinal surgery, the patient's vertebral arches and their connecting ligaments were removed. Name these ligaments:
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