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In fungi, what is the primary structural polysaccharide that makes up the cell wall?
A
Chitin
B
Lipopolysaccharide
C
Cellulose
D
Peptidoglycan
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1
Understand that the question asks about the main structural polysaccharide in the fungal cell wall, which provides rigidity and protection to the cell.
Recall that fungi have a unique cell wall composition different from plants and bacteria.
Recognize that cellulose is the primary polysaccharide in plant cell walls, not fungi.
Know that peptidoglycan is found in bacterial cell walls, and lipopolysaccharide is a component of the outer membrane of Gram-negative bacteria, so neither applies to fungi.
Identify chitin as the polysaccharide composed of N-acetylglucosamine units that forms the strong, flexible structure of fungal cell walls.