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Questions and Answers
What is the most common microscopic morphology of bacteria?
What is the most common microscopic morphology of bacteria?
- Rod shaped (bacilli)
- Pairs (diplococci)
- Spherical or ovoid (cocci) (correct)
- Spiral (Spirochete)
Which structure is the outermost component common to all bacteria, except Mycoplasma species?
Which structure is the outermost component common to all bacteria, except Mycoplasma species?
- Nucleoid
- Cytoplasmic Membrane
- Cell Wall (correct)
- Ribosome
Which bacteria arrangement is determined by the orientation and degree of attachment of the bacteria at the time of cell division?
Which bacteria arrangement is determined by the orientation and degree of attachment of the bacteria at the time of cell division?
- Chains (streptococci) (correct)
- Pairs (diplococci)
- S. aureus—cocci in clusters
- Grapelike clusters (staphylococci)
How do bacteria reproduce?
How do bacteria reproduce?
What is the range of sizes for bacteria?
What is the range of sizes for bacteria?
What is the most common method through which bacteria metabolize?
What is the most common method through which bacteria metabolize?
What is a characteristic feature of gram-positive bacteria's cell wall compared to gram-negative bacteria?
What is a characteristic feature of gram-positive bacteria's cell wall compared to gram-negative bacteria?
What is the main purpose of the Gram stain in microbiology?
What is the main purpose of the Gram stain in microbiology?
What is the function of the peptidoglycan in bacterial cells?
What is the function of the peptidoglycan in bacterial cells?
What is a characteristic feature of cell walls of acid-fast bacteria?
What is a characteristic feature of cell walls of acid-fast bacteria?
Which bacteria have an unusual cell wall resulting in their inability to be Gram-stained?
Which bacteria have an unusual cell wall resulting in their inability to be Gram-stained?
What is an integral part of the cell wall of gram-negative bacteria that is responsible for many features of disease?
What is an integral part of the cell wall of gram-negative bacteria that is responsible for many features of disease?
What is the function of porin proteins in the outer membrane of gram-negative bacteria?
What is the function of porin proteins in the outer membrane of gram-negative bacteria?
What is the main purpose of the lipopolysaccharide in gram-negative bacteria's cell wall?
What is the main purpose of the lipopolysaccharide in gram-negative bacteria's cell wall?
What is the role of porin proteins in the outer membrane of gram-negative bacteria?
What is the role of porin proteins in the outer membrane of gram-negative bacteria?
What are Mycobacteria resistant to that causes their inability to be Gram-stained?
What are Mycobacteria resistant to that causes their inability to be Gram-stained?
What is the typical size range of bacteria?
What is the typical size range of bacteria?
Which bacterial morphology is characterized by a spiral shape?
Which bacterial morphology is characterized by a spiral shape?
What is the arrangement of bacteria characterized by chain formations?
What is the arrangement of bacteria characterized by chain formations?
Which structure is an integral part of the cell wall of gram-negative bacteria and is responsible for many features of disease?
Which structure is an integral part of the cell wall of gram-negative bacteria and is responsible for many features of disease?
What is the structure that is common to all bacteria (except Mycoplasma species)?
What is the structure that is common to all bacteria (except Mycoplasma species)?
What are the fibers of teichoic acid present in many gram-positive bacteria responsible for?
What are the fibers of teichoic acid present in many gram-positive bacteria responsible for?
What is the function of the mycolic acids in the cell wall of Mycobacteria?
What is the function of the mycolic acids in the cell wall of Mycobacteria?
Which component is an integral part of the cell wall of gram-negative bacteria responsible for many features of disease?
Which component is an integral part of the cell wall of gram-negative bacteria responsible for many features of disease?
What is the main purpose of the porin proteins in the outer membrane of gram-negative bacteria?
What is the main purpose of the porin proteins in the outer membrane of gram-negative bacteria?
Which staining procedure separates most bacteria into two groups, gram-positive bacteria, and gram-negative bacteria?
Which staining procedure separates most bacteria into two groups, gram-positive bacteria, and gram-negative bacteria?
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