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MariettaO [177]
3 years ago
13

Give two other names for bacteria capsule and list any four important function​

Biology
2 answers:
Assoli18 [71]3 years ago
7 0

Answer:

Capsule (also known as K antigen) is a major virulence factor of bacteria, e.g. all of the principal pathogens which cause pneumonia and meningitis, including Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, Klebsiella pneumoniae,  Escherichia coli, and group B streptococci have polysaccharide capsules on their surface. Nonencapsulated mutants of these organisms are avirulent.


It has several functions: promote bacterial adhesion to surfaces or interaction with other organisms; act as a permeability barrier, as a defense mechanism against phagocytosis and/or as a nutrient reserve. Among pathogens, capsule formation often correlates with pathogenicity.

Explanation:

guapka [62]3 years ago
4 0

Answer:

Macro-capsule: thickness of 0.2µm or more, visible under light microscope

Microcapsule: thickness less than 0.2µm, visible under Electron microscope

Explanation:

It has several functions: promote bacterial adhesion to surface or interaction with other organisms; act as a permeability barrier, as a defense mechanism against Phagocytosis and/or as a nutrient reserve. Among pathogens, capsule formation often correlates with pathogenicity

correct me if I'm wrong

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7 0
3 years ago
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Answer:

Micro ---

{10}^{ - 6}

Explanation:

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Analyze and conclude 7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why. 8. e
Digiron [165]
<span>7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why.
It can't be answered because you didn't put the sample test result


8. explain how you were able to use your knowledge of how different types of blood react with anti-a, anti-b, and anti Rh antibodies to determine the blood types of the four samples.
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</span>If the blood react with anti-b, then the blood must not have B antigen
If the blood react with anti Rh, then the blood must not have Rh antigen
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react with anti B= blood type A
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Type O blood doesn't have antigen-A or antigen-B. That means the blood cells won't trigger any reaction on Type A, B, AB, or O blood. Negative rhesus also means that the blood is safe for Rhesus negative or Rhesus positive type. 

Positive O blood type has rhesus antigen, so it will trigger a reaction in Rhesus negative type. </span>
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