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КРОК / KROK
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A pharmacy produces eye drops and dispenses them into sterile vials. What method should be used to sterilize the vials?
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Entropy, as one of the main thermodynamic functions, is a measure of:
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A 2M solution of HCl was added into the studied solution, resulting in formation of a white precipitate that dissolved when heated. What cations are present in the solution?
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To determine qualitative content of a drug, the drug sample was processed with 2M solution of HCl. White precipitate soluble in aqueous ammonia solution was formed. This analytical effect indicates the presence of the following cations:
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Which of the following compounds is a complex ether (an ester)?
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It is determined that genetic basis of extrachromosomal stability is defined by the elements containing genes that provide for cell resistance to certain drugs, primarily antibiotics. What elements are these?
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Leaves damage by mosaic discoloration has been detected at medicinal plantations. What microorganisms are the cause?
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The breakdown of starch in the body is a catalytic process that occurs with the help of amylase. What type of catalysis is it?
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Electrokinetic potential is a parameter that measures the charge of proteins, leukocytes, and erythrocytes. At what interface is the electrokinetic potential generated?
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At the beginning of the bacteriological study, microscopy of the studied material was carried out and Gram-positive cocci were detected in it. The cocci were arranged in the clusters that resembled a bunch of grapes. Next, the material was inoculated on a dense nutrient medium. Why was it done?
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