0 [{"id":18669,"quiz_id":"1885","answer_id":null,"answerType_id":"0","created_at":"2015-12-06 04:23:30","updated_at":"2015-12-06 04:23:30","questionName":"An electron micrograph shows a cell-to-cell adhesion consisting, in each cell, of an attachment plaque. The intercellular space is filled with electron-dense substance including transmembrane febrile structures. Specify this adhesion: A\t*Desmosome B\tSynapse C\tTight junction D\tNexus E\tAdherens junction 2013 (questions are absent) 2012 (questions are absent) 2005-2011 The action of microbial toxins on the cells caused significant damage of the glycocalyx. What function of the cell membrane will be significantly disordered? A *Receptor B Transport C Respiratory D Formation of contact E Protective The harmful factors resulted the acute disorder of the endocytosis and exocytosis in the liver and blood cells. What layer of the cell membrane was injured first? *Cortical layer The layer of the lipids end proteins Supramembrane Integral Glycocalyx CYTOLOGY. CYTOPLASM. ORGANELLS. INCLUSIONS. 2014 The secretory granules appear and disappear in the cytoplasm of pancreatic cells during the secretory cycle. Which structural elements these granules can be included? A *To inclusions B To microfilaments C To lysosomes D To exocytosis vacuoles E To granular endoplasmic reticulum Significant reduction of the protein synthesis in hepatocytes resulted by the long-term effects of the toxic substances on the body. What organelles are most affected by intoxication? A *Granular endoplasmic reticulum B Mitochondria C Microtubules D Lysosomes E Golgi apparatus 2013 In the tissue culture the nucleoluses were damaged by the radioactive irradiation. Recovery of what organelles in the cytoplasm becomes problematic? A *Ribosomes B Lysosomes C Endoplasmic reticulum D Microtubule E Golgi apparatus The structure of the ribosome was disordered in the cells. What process is primarily affected? A *Protein synthesis (translation) B Protein synthesis (transcription) C Synthesis of carbohydrates D Synthesis of lipids E Synthesis of minerals The researchers destroyed the structure of one of the cell parts in a scientific experiment. As result the cell lost the ability to division. What structure was broken? A *Centrosome B Glycocalix C Plastic complex D Microfibrille E Mitochondria 2012 The patient was hospitalized in the hospital with poisoning. It was established that the detoxification processes were disordered in the liver. Which organelles of hepatocytes were injured? A *Agranular endoplasmic reticulum B Mitochondria C Granular endoplasmic reticulum D Golgi apparatus E Ribosomes The organelles, which consist of cisterns that flattened in the center and extended on the periphery and small vesicles, were founded at the electron microphotography of the nervous cells. What are these organelles? A *Golgi apparatus B Centrioles C Lysosomes D Peroxisomes E Mitochondria The abnormal biopolymers were founded in the body cells of the child (7 years) with congenital \"storage diseases\". What is the kind of organels? A *Lysosomes B Ribosomes C Granular endoplasmic reticulum D Mitochondria E Peroxisomes A high content of hydrolytic enzymes in the cytoplasm was founded during the examination. Which organelle activity shows this fact? A *Lysosomes B Mitochondria C Polysomes D Endoplasmic reticulum E Centrioles The organelle that is the big polyprotease complex and consists of tubular and two regulatory parts that are located at both ends of organelle was representing on electronic photo. The function of this organelle is proteolysis. Name this organelle. A *Proteasome B Centrioles C Inclusion D Ribosome E Golgi complex The vesicles with peroxide oxidation enzymes - catalase, peroxidase (0,05-1,5 microns in diameter) were revealed in the cytoplasm of hepatocytes during the histochemical investigation. What are these organelles? A * Peroxisomes B Lysosomes C Melanosomes D Liposomes E Phagosomes Low level of albumins and fibrinogen was detected in the patient's blood. Decreased activity of what organelle of the liver hepatocytes can cause it? A\t*Rough endoplasmic reticulum B\tSmooth endoplasmic reticulum C\tMitochondria D\tGolgi complex E\tLysosomes There is a large quantity of carbohydrates in the dietary intake of a human. What structures will be seen in the cytoplasm of hepatocytes? *Glycogen granules Lipid droplets One large lipid drop Lipofuscin inclusions Increasing of ribosome quantity 2005-2011 At what component of the cell the lysosomes formation takes place? *At the Golgi apparatus At the nucleus At the ribosomes At the mitochondria At the organizing cell center The microtubulies contein the protein: *Tubulin Desmin Dynein Calmodulin Vimentin Labeled aminoacids alanine and tryptophane were introducted to a mouse in order to study localization of protein biosynthesis in its cells. Around what organellas will the accumulation of labeled aminoacids be observed? A\t*Ribosomes B\tAgranular endoplasmic reticulum C\tCell centre D\tLysosomes E\tGolgi apparatus Ultramicroscopic examination of \"dark\" hepatocytes population in the cell cytoplasm detected a developed granular endoplasmic reticulum. What function has this organelle in these cells? A\t*Synthesis of blood plasma proteins B\tCarbohydrate synthesis C\tDetoxification D\tBile production E\tCalcium ion depositing The hysterectomy was made to a woman 67 years old because of a tumor. At the histological investigation of this tumor the multipolar mitoses were founded at the tumor cells (chromosome disjunction to more than two cellular poles). Disorder of what chromosoms resulted formation of the multipolar mitosis? A *Centriolies B Secondary lysosoms C Smooth endoplasmic reticulum D Rough endoplasmic reticulum E Peroxisoms The cell was treating by a substance, which blocks the nucleotide phosphorylation process in the mitochondria. What process will be broken? A. *ATP resynthesize B. Synthesis of mitochondrial proteins C. Oxidative phosphorylation D. Integration of functional protein molecules E. Fragmentation of large mitochondria smaller The cell of the laboratory animal was overdosed with Roentgen rays. As a result albuminous fragments formed in the cytoplasm. What cell organoid will take part at their utilization? A *Lysosomes B Endoplasmic reticulum C Cells centre D Golgi complex E Ribosome CYTOLOGY. NUCLEUS. CELL CICLE. 2014 The histone proteins synthesis was artificially blocked in the cell. What cell structure will be damaged? A *Nuclear chromatin B Nucleolus C Golgi apparatus D Cell membrane E Nuclear envelope 2013 The cell without the nucleus and nucleolus is presented at the electron microphotography. The chromosomes are free, the centrioles migrate to the poles. In which phase of the cell cycle is the cell? A *In prophase B In anaphase C In metaphase D In telophase E In interphase 2012 The culture of the tumor cells was affected by colchicine, which inhibits formation of the proteins-tubulins that are necessary for the spindle apparatus formation. What stage of the cell cycle will be affected? A *Mitosis B Presynthetic period C Synthetic period D Postsynthetic period E G0 - phase A human somatic cells in the metaphase mitosis was founded in the histological preparation. How many chromosomes the metaphase plate consist of in case if each chromosome has two sister chromatids. A *46 chromosomes B 92 chromosomes C 23 chromosomes D 48 chromosomes E 24 chromosomes The cells whose nuclei contain sex chromatin (Barr corpuscle) were founded in the amniotic fluid during the investigation that obtained by amniocentesis (amniotic membrane puncture). What could it mean? A *Development of the female sex fetus B Development of the male sex fetus C Genetic abnormalities in fetal development D Trisomy E \u0420olyploidy 2005-2011 It is known that the synthesis of the proteins-tubulins is blockade andur the Colchicine action. What stage of the cell cycle will be disordered in this case? *Postsynthetic (premitotic) period of the interfase Profase of mitosis Synthetic period of the interfase Formation of the metaphase plate Presynthetic (postmitotic) period of the interfase A very low content of heterochromatin at the hepatocyte nuclei founded during microscopic study. What functional state of the cell does it mean? A *Increase of protein synthesis B Apoptosis C Necrosis D Reduction of protein synthesis E Entry into mitosis Compaction of the nucleus was observed on the electron microphotography of the cells taken from animals after a chemical exposure. What is the state of the nucleus in the cell? A *Karyopyknosis B Mitosis C Amitosis D Polyploidy E Meiosis At the electronic microphotography the nucleus is surrounded by the thin lamina of biological membrane. What is it name? A\t* Nuclear envelope B\tPlasmolemma C\tCytolemma D\tNuclear pore E\tPore complex The navy-blue chromatin granules were founded at the nucleus on the slide that is stained by hematoxylin and eosin. What is the stage of the cell cycle? A\t* Interphase B\tProphase C\tMetaphase D\tAnaphase E\tTelophase While studying maximally spiraled chromosomes of human karyotype the process of cell division was stopped in the following phase: A\t*Metaphase B\tProphase C\tInterphase D\tAnaphase E\tTelophase Moving of the daughter chromatids to the poles of the cell is observed in the mitotically dividing cell. On what stage of the mitotic cycle is this cell? A\t*Anaphase B\tMetaphase C\tTelophase D\tProphase E\tInterphase The study of mitotic cycle phases of onion root revealed the cell, in which the chromosomes are situated in the equatorial plane, forming a star. What stage of the cell mitosis is it? A *Metaphase B Anaphase C Telophase D Interphase E Prophase During the postsynthetic period of mitotic cycle the synthesis of proteins - tubulines, which take part in the mitosis formation, was destroyed. It can cause the impairment of: A \t*Chromosome separation B Cytokinesis C \tDuration of mitosis D Chromosome despiralization E \tChromosome spiralization There are three periods of the cell cycle interphase. What process is take place during the S-period? A *Replication of the DNA B Meiosis C Cytokinesis D Mitosis E \u0410mitosis","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]

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An electron micrograph shows a cell-to-cell adhesion consisting, in each cell, of an attachment plaque. The intercellular space is filled with electron-dense substance including transmembrane febrile structures. Specify this adhesion: A *Desmosome B Synapse C Tight junction D Nexus E Adherens junction 2013 (questions are absent) 2012 (questions are absent) 2005-2011 The action of microbial toxins on the cells caused significant damage of the glycocalyx. What function of the cell membrane will be significantly disordered? A *Receptor B Transport C Respiratory D Formation of contact E Protective The harmful factors resulted the acute disorder of the endocytosis and exocytosis in the liver and blood cells. What layer of the cell membrane was injured first? *Cortical layer The layer of the lipids end proteins Supramembrane Integral Glycocalyx CYTOLOGY. CYTOPLASM. ORGANELLS. INCLUSIONS. 2014 The secretory granules appear and disappear in the cytoplasm of pancreatic cells during the secretory cycle. Which structural elements these granules can be included? A *To inclusions B To microfilaments C To lysosomes D To exocytosis vacuoles E To granular endoplasmic reticulum Significant reduction of the protein synthesis in hepatocytes resulted by the long-term effects of the toxic substances on the body. What organelles are most affected by intoxication? A *Granular endoplasmic reticulum B Mitochondria C Microtubules D Lysosomes E Golgi apparatus 2013 In the tissue culture the nucleoluses were damaged by the radioactive irradiation. Recovery of what organelles in the cytoplasm becomes problematic? A *Ribosomes B Lysosomes C Endoplasmic reticulum D Microtubule E Golgi apparatus The structure of the ribosome was disordered in the cells. What process is primarily affected? A *Protein synthesis (translation) B Protein synthesis (transcription) C Synthesis of carbohydrates D Synthesis of lipids E Synthesis of minerals The researchers destroyed the structure of one of the cell parts in a scientific experiment. As result the cell lost the ability to division. What structure was broken? A *Centrosome B Glycocalix C Plastic complex D Microfibrille E Mitochondria 2012 The patient was hospitalized in the hospital with poisoning. It was established that the detoxification processes were disordered in the liver. Which organelles of hepatocytes were injured? A *Agranular endoplasmic reticulum B Mitochondria C Granular endoplasmic reticulum D Golgi apparatus E Ribosomes The organelles, which consist of cisterns that flattened in the center and extended on the periphery and small vesicles, were founded at the electron microphotography of the nervous cells. What are these organelles? A *Golgi apparatus B Centrioles C Lysosomes D Peroxisomes E Mitochondria The abnormal biopolymers were founded in the body cells of the child (7 years) with congenital "storage diseases". What is the kind of organels? A *Lysosomes B Ribosomes C Granular endoplasmic reticulum D Mitochondria E Peroxisomes A high content of hydrolytic enzymes in the cytoplasm was founded during the examination. Which organelle activity shows this fact? A *Lysosomes B Mitochondria C Polysomes D Endoplasmic reticulum E Centrioles The organelle that is the big polyprotease complex and consists of tubular and two regulatory parts that are located at both ends of organelle was representing on electronic photo. The function of this organelle is proteolysis. Name this organelle. A *Proteasome B Centrioles C Inclusion D Ribosome E Golgi complex The vesicles with peroxide oxidation enzymes - catalase, peroxidase (0,05-1,5 microns in diameter) were revealed in the cytoplasm of hepatocytes during the histochemical investigation. What are these organelles? A * Peroxisomes B Lysosomes C Melanosomes D Liposomes E Phagosomes Low level of albumins and fibrinogen was detected in the patient's blood. Decreased activity of what organelle of the liver hepatocytes can cause it? A *Rough endoplasmic reticulum B Smooth endoplasmic reticulum C Mitochondria D Golgi complex E Lysosomes There is a large quantity of carbohydrates in the dietary intake of a human. What structures will be seen in the cytoplasm of hepatocytes? *Glycogen granules Lipid droplets One large lipid drop Lipofuscin inclusions Increasing of ribosome quantity 2005-2011 At what component of the cell the lysosomes formation takes place? *At the Golgi apparatus At the nucleus At the ribosomes At the mitochondria At the organizing cell center The microtubulies contein the protein: *Tubulin Desmin Dynein Calmodulin Vimentin Labeled aminoacids alanine and tryptophane were introducted to a mouse in order to study localization of protein biosynthesis in its cells. Around what organellas will the accumulation of labeled aminoacids be observed? A *Ribosomes B Agranular endoplasmic reticulum C Cell centre D Lysosomes E Golgi apparatus Ultramicroscopic examination of "dark" hepatocytes population in the cell cytoplasm detected a developed granular endoplasmic reticulum. What function has this organelle in these cells? A *Synthesis of blood plasma proteins B Carbohydrate synthesis C Detoxification D Bile production E Calcium ion depositing The hysterectomy was made to a woman 67 years old because of a tumor. At the histological investigation of this tumor the multipolar mitoses were founded at the tumor cells (chromosome disjunction to more than two cellular poles). Disorder of what chromosoms resulted formation of the multipolar mitosis? A *Centriolies B Secondary lysosoms C Smooth endoplasmic reticulum D Rough endoplasmic reticulum E Peroxisoms The cell was treating by a substance, which blocks the nucleotide phosphorylation process in the mitochondria. What process will be broken? A. *ATP resynthesize B. Synthesis of mitochondrial proteins C. Oxidative phosphorylation D. Integration of functional protein molecules E. Fragmentation of large mitochondria smaller The cell of the laboratory animal was overdosed with Roentgen rays. As a result albuminous fragments formed in the cytoplasm. What cell organoid will take part at their utilization? A *Lysosomes B Endoplasmic reticulum C Cells centre D Golgi complex E Ribosome CYTOLOGY. NUCLEUS. CELL CICLE. 2014 The histone proteins synthesis was artificially blocked in the cell. What cell structure will be damaged? A *Nuclear chromatin B Nucleolus C Golgi apparatus D Cell membrane E Nuclear envelope 2013 The cell without the nucleus and nucleolus is presented at the electron microphotography. The chromosomes are free, the centrioles migrate to the poles. In which phase of the cell cycle is the cell? A *In prophase B In anaphase C In metaphase D In telophase E In interphase 2012 The culture of the tumor cells was affected by colchicine, which inhibits formation of the proteins-tubulins that are necessary for the spindle apparatus formation. What stage of the cell cycle will be affected? A *Mitosis B Presynthetic period C Synthetic period D Postsynthetic period E G0 - phase A human somatic cells in the metaphase mitosis was founded in the histological preparation. How many chromosomes the metaphase plate consist of in case if each chromosome has two sister chromatids. A *46 chromosomes B 92 chromosomes C 23 chromosomes D 48 chromosomes E 24 chromosomes The cells whose nuclei contain sex chromatin (Barr corpuscle) were founded in the amniotic fluid during the investigation that obtained by amniocentesis (amniotic membrane puncture). What could it mean? A *Development of the female sex fetus B Development of the male sex fetus C Genetic abnormalities in fetal development D Trisomy E Рolyploidy 2005-2011 It is known that the synthesis of the proteins-tubulins is blockade andur the Colchicine action. What stage of the cell cycle will be disordered in this case? *Postsynthetic (premitotic) period of the interfase Profase of mitosis Synthetic period of the interfase Formation of the metaphase plate Presynthetic (postmitotic) period of the interfase A very low content of heterochromatin at the hepatocyte nuclei founded during microscopic study. What functional state of the cell does it mean? A *Increase of protein synthesis B Apoptosis C Necrosis D Reduction of protein synthesis E Entry into mitosis Compaction of the nucleus was observed on the electron microphotography of the cells taken from animals after a chemical exposure. What is the state of the nucleus in the cell? A *Karyopyknosis B Mitosis C Amitosis D Polyploidy E Meiosis At the electronic microphotography the nucleus is surrounded by the thin lamina of biological membrane. What is it name? A * Nuclear envelope B Plasmolemma C Cytolemma D Nuclear pore E Pore complex The navy-blue chromatin granules were founded at the nucleus on the slide that is stained by hematoxylin and eosin. What is the stage of the cell cycle? A * Interphase B Prophase C Metaphase D Anaphase E Telophase While studying maximally spiraled chromosomes of human karyotype the process of cell division was stopped in the following phase: A *Metaphase B Prophase C Interphase D Anaphase E Telophase Moving of the daughter chromatids to the poles of the cell is observed in the mitotically dividing cell. On what stage of the mitotic cycle is this cell? A *Anaphase B Metaphase C Telophase D Prophase E Interphase The study of mitotic cycle phases of onion root revealed the cell, in which the chromosomes are situated in the equatorial plane, forming a star. What stage of the cell mitosis is it? A *Metaphase B Anaphase C Telophase D Interphase E Prophase During the postsynthetic period of mitotic cycle the synthesis of proteins - tubulines, which take part in the mitosis formation, was destroyed. It can cause the impairment of: A *Chromosome separation B Cytokinesis C Duration of mitosis D Chromosome despiralization E Chromosome spiralization There are three periods of the cell cycle interphase. What process is take place during the S-period? A *Replication of the DNA B Meiosis C Cytokinesis D Mitosis E Аmitosis

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