1. how important are capsules for bacteria to be able to cause disease? 2. why is it...

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Biology

1. how important are capsules for bacteria to be able to causedisease?
2. why is it nessary to use a negative stain technique to viewcapsules? in you answer, be sure to include a definition ofnegative stain.
3. In preforming the spore stain, why is it necessay to heatmalchite green?
4. In a natural habitat such as soil, what advantages doesendospores production afford to members of the genera Bacillus andClostridum over the nonsporing bacteria?

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4.2 Ratings (533 Votes)

1 The capsule of the bacterium is the polysaccharide outermost covering in bacteria and is known as K antigen It is the virulence factor of the bacterium It is present just above the peptidoglycan layer Most pathogenic bacteria such as Klebsiella pneumoniae Neisseria meningitidis etc have capsule Capsules are antiphagocytic as they limit the ability of phagocytes to engulf the bacteria The phagocytes cannot adhere to the bacteria due to the smooth nature and negative charge See Answer

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