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Bacteria Structure and Function | Class 11
Biology Chapter 2 | NCERT | NEET

we will be discussing the structure of bacteria,
speci cally the caucus
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This is the structure of the
bacteria I have drawn it on the board
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The three layers all together
constitute the cell envelope
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The bacteria can be classi ed into two categories:
Gram positive and Gram negative
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The
cell wall of this bacteria will be made of a substance
called peptidoglycan
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In
Gram positive bacteria, the peptidoglycan layer is
quite larger and multilayered, when compared to
Gram negative
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Now let's go to the third layer that is the
cell membrane
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Certain structures like granule-like structure are
nothing but ribosomes
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Structure which makes bacteria
attach for particular material or substratum we call it
as mbri mbre, which is responsible for attachment
of the bacteria
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The structure is nothing but agellum, the
structure is agella pleural and singular
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However, bacteria can resist for particular antibiotic if
needed
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