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Questions and Answers
Which category of microorganisms is completely dependent on the cells they infect?
Which category of microorganisms is completely dependent on the cells they infect?
- Viruses (correct)
- Fungi
- Bacteria
- Parasites
Which microorganisms can be further categorized based on staining of cell wall, shape, oxygen requirements, and ability to form spores?
Which microorganisms can be further categorized based on staining of cell wall, shape, oxygen requirements, and ability to form spores?
- Parasites
- Bacteria (correct)
- Fungi
- Viruses
Which type of fungi have threadlike tubular structures and specialized asexual reproductive forms?
Which type of fungi have threadlike tubular structures and specialized asexual reproductive forms?
- Single-celled organisms (yeasts)
- Multi-celled organisms (molds) (correct)
- Dimorphic fungi
- None of the above
Which category of microorganisms are eukaryotes?
Which category of microorganisms are eukaryotes?
Which category of microorganisms can be subdivided into DNA or RNA viruses, but never both?
Which category of microorganisms can be subdivided into DNA or RNA viruses, but never both?
Which category of microorganisms have properties such as presence or absence of an envelope or shape/size that can lead to further classification?
Which category of microorganisms have properties such as presence or absence of an envelope or shape/size that can lead to further classification?
During which phase of bacterial growth does cell division occur rapidly?
During which phase of bacterial growth does cell division occur rapidly?
Which type of bacterial metabolism is characterized by utilizing an inorganic molecule other than oxygen as the final hydrogen acceptor?
Which type of bacterial metabolism is characterized by utilizing an inorganic molecule other than oxygen as the final hydrogen acceptor?
What characteristic differentiates the termination sites of bacterial mRNA transcripts?
What characteristic differentiates the termination sites of bacterial mRNA transcripts?
What is the role of sigma factor in bacterial gene expression?
What is the role of sigma factor in bacterial gene expression?
Which genetic element is capable of independently moving within a cell and between cells through horizontal gene transfer?
Which genetic element is capable of independently moving within a cell and between cells through horizontal gene transfer?
What is the function of an initiator tRNA molecule in bacterial translation?
What is the function of an initiator tRNA molecule in bacterial translation?
Which type of infectious disease can occur when the normal flora get displaced?
Which type of infectious disease can occur when the normal flora get displaced?
What is the characteristic cellular organization of prokaryotic organisms?
What is the characteristic cellular organization of prokaryotic organisms?
What are the bacterial ribosomes characterized as?
What are the bacterial ribosomes characterized as?
Where does genomic replication begin in bacteria?
Where does genomic replication begin in bacteria?
Which enzyme is responsible for initiating unwinding and separation of the two DNA strands during genomic replication in bacteria?
Which enzyme is responsible for initiating unwinding and separation of the two DNA strands during genomic replication in bacteria?
What is responsible for cellular arrangements of bacteria morphology?
What is responsible for cellular arrangements of bacteria morphology?
Which genetic element can carry toxin genes like Diphtheria toxin?
Which genetic element can carry toxin genes like Diphtheria toxin?
What type of transfer involves the uptake of naked DNA fragments by bacterial cells?
What type of transfer involves the uptake of naked DNA fragments by bacterial cells?
Which bacterial classification is based on the stain retention ability of the cell wall?
Which bacterial classification is based on the stain retention ability of the cell wall?
What is the main structural component of the cell wall in bacteria?
What is the main structural component of the cell wall in bacteria?
Which bacterial species have no peptidoglycan in their cell wall?
Which bacterial species have no peptidoglycan in their cell wall?
What do we call the ability of a bacterium to cause damage to the host?
What do we call the ability of a bacterium to cause damage to the host?
Which bacterial virulence factor is made of high molecular weight polysaccharides and provides protection against phagocytosis by host cells?
Which bacterial virulence factor is made of high molecular weight polysaccharides and provides protection against phagocytosis by host cells?
What is the main function of pili (fimbriae) in bacteria?
What is the main function of pili (fimbriae) in bacteria?
Which bacterial virulence factor is negatively regulated by the presence of free iron in the growth environment?
Which bacterial virulence factor is negatively regulated by the presence of free iron in the growth environment?
What is the main role of flagella in bacteria?
What is the main role of flagella in bacteria?
Which bacterial virulence factor is composed of Lipid A, core polysaccharide, and an O antigen, and is a powerful stimulator of innate and adaptive immune responses?
Which bacterial virulence factor is composed of Lipid A, core polysaccharide, and an O antigen, and is a powerful stimulator of innate and adaptive immune responses?
What is the function of biofilm as a bacterial virulence factor?
What is the function of biofilm as a bacterial virulence factor?
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