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Bacteria Morphology

Bacteria Morphology
Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?

Cyanobacteria
Spirochetes
Bdellovibrios
Mycoplasmas

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Bacteria Morphology
Which of the following has peptidoglycan as a major constituent of cell wall?

Gram-negative bacteria
Gram-positive bacteria
Fungi
None of these

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Bacteria Morphology
Peptidoglycan accounts for __________ of the dry weight of cell wall in many gram positive bacteria

50% or more
About 20%
About 10%
11%+ 0.22%

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Bacteria Morphology
Microcapsules are composed of

lipids
polysaccharides
all of these
proteins

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Bacteria Morphology
Chemotaxis is a phenomenon of

swimming away or towards of bacteria in presence of chemical compound
None of these
swimming towards a bacteria
swimming away of bacteria

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Bacteria Morphology
Which of the following does not contain protein?

Pili
Flagellum
Porin
Lipoteichoic acid

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