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Questions and Answers
Which of the following is the smallest bacteria?
Which of the following is the smallest bacteria?
What is the world's largest bacteria?
What is the world's largest bacteria?
How can bacteria be classified?
How can bacteria be classified?
Which of the following is a common fermentation product?
Which of the following is a common fermentation product?
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Which type of bacteria can survive in the presence or absence of oxygen?
Which type of bacteria can survive in the presence or absence of oxygen?
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Why is it important to understand the metabolism of bacteria?
Why is it important to understand the metabolism of bacteria?
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Which of the following bacteria do not have peptidoglycan?
Which of the following bacteria do not have peptidoglycan?
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Which process of genetic exchange between bacteria requires cell-to-cell contact?
Which process of genetic exchange between bacteria requires cell-to-cell contact?
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Which enzyme dissolves collagen, a component of muscular tissue?
Which enzyme dissolves collagen, a component of muscular tissue?
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Which bacteria produce an alginate mucous layer that allows adherence to the cell surface, particularly in patients suffering from cystic fibrosis or other respiratory diseases?
Which bacteria produce an alginate mucous layer that allows adherence to the cell surface, particularly in patients suffering from cystic fibrosis or other respiratory diseases?
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Which bacterial enzyme is responsible for degrading lipids and lecithin, facilitating tissue destruction?
Which bacterial enzyme is responsible for degrading lipids and lecithin, facilitating tissue destruction?
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Which bacterial toxin is responsible for causing damage to all cells by inhibiting proteic synthesis?
Which bacterial toxin is responsible for causing damage to all cells by inhibiting proteic synthesis?
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Which bacterial toxin binds to ganglioside receptor GM1 on cell membrane and causes the secretion of sodium, chlore, potassium, bicarbonate and water, outside from cell, in the intestine?
Which bacterial toxin binds to ganglioside receptor GM1 on cell membrane and causes the secretion of sodium, chlore, potassium, bicarbonate and water, outside from cell, in the intestine?
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Which bacterial species produces esotoxin A-B that binds to heparin on a similar epidermic growth factor particularly on heart and nervous cells’ surface?
Which bacterial species produces esotoxin A-B that binds to heparin on a similar epidermic growth factor particularly on heart and nervous cells’ surface?
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Which staining technique can be used to stain Mycobacterium?
Which staining technique can be used to stain Mycobacterium?
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Which component of the peptidoglycan chain is responsible for linking mycolic acids to arabinogalactans in Mycobacterium?
Which component of the peptidoglycan chain is responsible for linking mycolic acids to arabinogalactans in Mycobacterium?
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What is the function of waxes in the cell wall of Mycobacterium?
What is the function of waxes in the cell wall of Mycobacterium?
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How do transglycosidase and transpeptidase enzymes contribute to the formation of the peptidoglycan wall?
How do transglycosidase and transpeptidase enzymes contribute to the formation of the peptidoglycan wall?
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Which type of bacteria has a cell wall composed of peptidoglycan and contains teichoic acids?
Which type of bacteria has a cell wall composed of peptidoglycan and contains teichoic acids?
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Which type of bacteria has a periplasmic space containing enzymes such as beta-lactamase that can disrupt antibiotics?
Which type of bacteria has a periplasmic space containing enzymes such as beta-lactamase that can disrupt antibiotics?
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What is the function of the mesosome in bacteria?
What is the function of the mesosome in bacteria?
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What is the function of Lipid A in gram-negative bacteria?
What is the function of Lipid A in gram-negative bacteria?
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Which neurotransmitters are blocked by the toxin that causes spastic paralysis?
Which neurotransmitters are blocked by the toxin that causes spastic paralysis?
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What is the primary role of the pentose phosphate pathway?
What is the primary role of the pentose phosphate pathway?
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Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
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What is the difference between endotoxins and exotoxins?
What is the difference between endotoxins and exotoxins?
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Which of the following is the world's largest bacteria?
Which of the following is the world's largest bacteria?
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What is the shape of Streptococcus pneumoniae?
What is the shape of Streptococcus pneumoniae?
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Which growth media can be used to distinguish E. coli from Salmonella?
Which growth media can be used to distinguish E. coli from Salmonella?
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Which of the following is a common fermentation product?
Which of the following is a common fermentation product?
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Which type of bacteria grow in the presence of oxygen and use oxidative phosphorylation for energy production?
Which type of bacteria grow in the presence of oxygen and use oxidative phosphorylation for energy production?
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Why is it important to understand the metabolism of bacteria?
Why is it important to understand the metabolism of bacteria?
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Which bacterial enzyme is responsible for neutralizing gastric acids?
Which bacterial enzyme is responsible for neutralizing gastric acids?
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Which type of bacterial toxin is active on all cells and inhibits proteic synthesis?
Which type of bacterial toxin is active on all cells and inhibits proteic synthesis?
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Which bacterial toxin is made of two subunits (A and B) and causes the secretion of sodium, chlore, potassium, bicarbonate and water, outside from cell, in the intestine?
Which bacterial toxin is made of two subunits (A and B) and causes the secretion of sodium, chlore, potassium, bicarbonate and water, outside from cell, in the intestine?
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Which bacterial species produces an esoenzyme that degrades lipids and lecithin, facilitating tissue destruction?
Which bacterial species produces an esoenzyme that degrades lipids and lecithin, facilitating tissue destruction?
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Which of the following is a component of the cell wall of gram-positive bacteria?
Which of the following is a component of the cell wall of gram-positive bacteria?
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Which type of bacteria has a periplasmic space containing enzymes such as beta-lactamase that can disrupt antibiotics?
Which type of bacteria has a periplasmic space containing enzymes such as beta-lactamase that can disrupt antibiotics?
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Which part of the LPS in gram-negative bacteria is toxic?
Which part of the LPS in gram-negative bacteria is toxic?
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Which of the following is a function of the mesosome in bacteria?
Which of the following is a function of the mesosome in bacteria?
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Which of the following bacteria have a capsule composed of polysaccharides?
Which of the following bacteria have a capsule composed of polysaccharides?
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Which process of genetic exchange between bacteria involves the transfer of genes from one cell to another via a phage vector without cell-to-cell contact?
Which process of genetic exchange between bacteria involves the transfer of genes from one cell to another via a phage vector without cell-to-cell contact?
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What is the primary staining agent used in Gram staining?
What is the primary staining agent used in Gram staining?
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Which bacterial enzyme dissolves hyaluronic acid, a fundamental substance of the connective tissue?
Which bacterial enzyme dissolves hyaluronic acid, a fundamental substance of the connective tissue?
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What is the function of mycolic acids in the cell wall of Mycobacterium?
What is the function of mycolic acids in the cell wall of Mycobacterium?
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Which bacteria produce an alginate mucous layer that allows adherence to heart valves or catheters?
Which bacteria produce an alginate mucous layer that allows adherence to heart valves or catheters?
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What is the role of autolysins in peptidoglycan synthesis?
What is the role of autolysins in peptidoglycan synthesis?
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What is the target of penicillin and other beta-lactam antibiotics in bacteria?
What is the target of penicillin and other beta-lactam antibiotics in bacteria?
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Which bacterial toxin causes flaccid paralysis by blocking the release of acetylcholine?
Which bacterial toxin causes flaccid paralysis by blocking the release of acetylcholine?
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Which metabolic pathway generates NADPH and pentoses, and is primarily anabolic rather than catabolic?
Which metabolic pathway generates NADPH and pentoses, and is primarily anabolic rather than catabolic?
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Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
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Which process of ATP production by cells involves the complete oxidation of organic compounds using oxygen?
Which process of ATP production by cells involves the complete oxidation of organic compounds using oxygen?
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Which of the following is the largest bacteria in the world?
Which of the following is the largest bacteria in the world?
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What is the primary way to distinguish between different types of bacteria?
What is the primary way to distinguish between different types of bacteria?
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Which type of bacteria is characterized by a cylindrical/rod-shaped (bacilli) shape?
Which type of bacteria is characterized by a cylindrical/rod-shaped (bacilli) shape?
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Which of the following is a characteristic of obligate anaerobes?
Which of the following is a characteristic of obligate anaerobes?
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What is the most common substrate of fermentation?
What is the most common substrate of fermentation?
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Why is it important to know the metabolism of bacteria?
Why is it important to know the metabolism of bacteria?
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Which bacterial species produces an esoenzyme that neutralizes gastric acids?
Which bacterial species produces an esoenzyme that neutralizes gastric acids?
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Which type of bacterial toxin is active on nervous system cells?
Which type of bacterial toxin is active on nervous system cells?
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Which bacterial species produces an esotoxin that blocks host cell proteic synthesis by catalyzing diphosphate-ribosylated elongation factor 2?
Which bacterial species produces an esotoxin that blocks host cell proteic synthesis by catalyzing diphosphate-ribosylated elongation factor 2?
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Which type of bacterial toxin is made of two subunits, with subunit A activating the adenylate cyclase and causing the secretion of sodium, chlore, potassium, bicarbonate and water in the intestine?
Which type of bacterial toxin is made of two subunits, with subunit A activating the adenylate cyclase and causing the secretion of sodium, chlore, potassium, bicarbonate and water in the intestine?
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Which of the following is a unique feature of the cell membrane in bacteria?
Which of the following is a unique feature of the cell membrane in bacteria?
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Which of the following is a characteristic of gram-positive bacteria?
Which of the following is a characteristic of gram-positive bacteria?
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Which of the following enzymes found in the periplasmic space of gram-negative bacteria can make the bacteria resistant to antibiotics?
Which of the following enzymes found in the periplasmic space of gram-negative bacteria can make the bacteria resistant to antibiotics?
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Which of the following is a virulence factor unique to gram-negative bacteria?
Which of the following is a virulence factor unique to gram-negative bacteria?
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Which type of bacteria can transfer genes from one cell to another via a phage vector without cell-to-cell contact?
Which type of bacteria can transfer genes from one cell to another via a phage vector without cell-to-cell contact?
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What is the process of horizontal gene transfer by which some bacteria take up foreign genetic material (naked DNA) from the environment?
What is the process of horizontal gene transfer by which some bacteria take up foreign genetic material (naked DNA) from the environment?
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Which bacterial species produces an esoenzyme that dissolves collagen, a component of muscular tissue?
Which bacterial species produces an esoenzyme that dissolves collagen, a component of muscular tissue?
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Which bacterial species has an adhesion ability given by protein F and lipotheic acid on fimbriae, and occurs at the level of certain receptors host cell, fibronectin, widely spread in our organism?
Which bacterial species has an adhesion ability given by protein F and lipotheic acid on fimbriae, and occurs at the level of certain receptors host cell, fibronectin, widely spread in our organism?
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What is the primary staining used in Gram staining?
What is the primary staining used in Gram staining?
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What is the function of mycolic acids in Mycobacterium?
What is the function of mycolic acids in Mycobacterium?
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What is the role of autolysins in peptidoglycan synthesis?
What is the role of autolysins in peptidoglycan synthesis?
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Which bacterial enzymes are known as penicillin-binding proteins (PBP)?
Which bacterial enzymes are known as penicillin-binding proteins (PBP)?
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What is the primary difference between endotoxins and exotoxins?
What is the primary difference between endotoxins and exotoxins?
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Which metabolic pathway generates NADPH and pentoses, and is primarily anabolic rather than catabolic?
Which metabolic pathway generates NADPH and pentoses, and is primarily anabolic rather than catabolic?
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What is the difference between aerobic respiration and anaerobic respiration?
What is the difference between aerobic respiration and anaerobic respiration?
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Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
Which bacteria use the Entner-Doudoroff pathway instead of classic glycolysis?
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