Q.

Choose the incorrect statement.

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a

Glycocalyx is made of Lipids

b

Pili and fimbriae are involved in attachment to other cells or substrata.

c

PPLO do not have cell wall.

d

Blue green algae do not have flagella.

answer is A.

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Detailed Solution

Glycocalyx is outermost region of bacterial cell envelope. It is seen only in certain strains of bacteria. It is chemically made of polysaccharides and rarely proteins but not lipids. PPLO is another name for mycoplasmas which do not have cell wall. Blue green algae or cyanobacteria do not have flagella.
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