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How is the presence of peptidoglycan in bacteria cells clinically significant?
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Why is bacteria and archaea placed in separate kingdoms?
They are placed in separate Domains on basis of presence and absence of peptidoglycan .
What cell structure is significantly different between gram-positive and gram-negative bacteria?
The difference between a gram positive and gram negative bacteria is the thickness/presence of the peptidoglycan layer secreted on the outside of the plasma membrane
What structure is stained in a counterstain?
Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with. If the violet can be washed out and the counter stain (pink) is added, the bacteria are Gram-.
What provides rigidity to bacterial cell wall?
The presence of peptidoglycan in the cell wall,cellulose too i suppose
What are three characteristics of bacteria?
Prokayrotes in the domain Eubacteria are distinguished by their lack of a nuclear membrane (thus they are prokaryotes) and most other membrane-bound organelles, the fact that they are unicellular, and the presence of peptidoglycan in their cell walls.
What is sepsis and how does it work?
Clinically, sepsis is the presence in tissues of harmful bacteria and their toxins,
Why is bacteria and archaea placed in separate kingdoms?
They are placed in separate Domains on basis of presence and absence of peptidoglycan .
What cell structures is significantly different between Gram positive and Gram-negative bacteria?
The difference between a gram positive and gram negative bacteria is the thickness/presence of the peptidoglycan layer secreted on the outside of the plasma membrane
What cell structure is significantly different between gram-positive and gram-negative bacteria?
The difference between a gram positive and gram negative bacteria is the thickness/presence of the peptidoglycan layer secreted on the outside of the plasma membrane
What structure is stained in a counterstain?
Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with. If the violet can be washed out and the counter stain (pink) is added, the bacteria are Gram-.
What provides rigidity to bacterial cell wall?
The presence of peptidoglycan in the cell wall,cellulose too i suppose
What are three characteristics of bacteria?
Prokayrotes in the domain Eubacteria are distinguished by their lack of a nuclear membrane (thus they are prokaryotes) and most other membrane-bound organelles, the fact that they are unicellular, and the presence of peptidoglycan in their cell walls.
What is the chemical component of the cell wall of bacteria?
The bacterial cell wall differs from that of other organisms because of the presence of peptidoglycan, which is located immediately outside of the cytoplasmic membrane. Gram-positive cell walls are thick and the peptidoglycan layer constitutes almost 95% of the cell wall in some gram-positive bacteria. In gram-negative cell walls it takes up as little as 5-10% of the cell wall.
What is the cellular characteristic that distinguishes kingdom eubacteria and archaebacteria from members of the other four kingdoms?
The presence of a cell wall made of peptidoglycan in eubacteria and a lack of peptidoglycan in archaebacteria distinguishes them from members of the other four kingdoms.
A method called Gram staining is used to tell what?
Gram staining is primarily used to differential bacteria based on their cell wall structure. Bacteria are usually classified as Gram positive or Gram negative. Gram positive - thick layer of peptidoglycan as outermost layer, plasma membrane as innermost layer. Gram negative - thin layer of peptidoglycan "sandwiched" in between 2 separate plasma membranes.
What could be used to distinguish between an organism in the domain bacteria and one in the domain eukarya?
One way to distinguish between an organism in the domain Bacteria and one in the domain Eukarya is by looking at their cell structure. Bacteria have prokaryotic cells without a nucleus or membrane-bound organelles, while Eukarya have eukaryotic cells with a nucleus and membrane-bound organelles. Additionally, the presence of peptidoglycan in the cell wall is a characteristic feature of bacteria, which is absent in eukaryotic organisms.
Result for Heller's test positive reaction?
Heller's test is used to clinically detect the presence of albumin (protein) in urine.
