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Тесты

Вопрос 
1
Golgi complex exports substances from a cell due to the fusion of the membrane saccule with the cell membrane. The saccule contents flows out. What process is it?





2
During histochemical research of a hepatocyte it was found cytoplasmic vesicles 0.05-1.5µm in diameter filled with enzymes of peroxide oxidation - catalase, peroxidase. What is the name of organelle?





3
On the electronic photomicrograph of nervous cells of spinal ganglion it was found organelles with cisterns, flattened in the central part and extended on periphery, with small vesicles. How are these organelles called?





4
Normal, actively dividing cells of human red bone marrow were analyzed. What number of cells’ chromosomes is typical for G1 period?





5
Ultramicroscopical examination of "dark" hepatocyte population in the cell cytoplasm detected a developed granular endoplasmic reticulum. What function has this organelle in these cells?





6
The prolonged influence of toxic substances on an organism resulted in considerable reduction of the synthesis of proteins in hepatocytes. What organelle did suffer from the intoxication more than others?





7
While studying maximally spiralized chromosomes of human karyotype the process of cell division was stopped by colchicine in the following phase:





8
Life cycle of a cell includes the process of DNA replication. As a result of it monochromatid chromosomes turn into bichromatid ones. What period of cell cycle does this phenomenon take place?





9
Cells of healthy liver synthesize glycogen and proteins. What organelles are the most developed in them?





10
Life cycle of a cell includes a process of DNA autoreduplication. As a result of this process monochromatid chromosomes become bichromatid. This phenomenon is observed within the following period of the cell cycle:





 
 
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