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Multiple Choice
Organisms that may have cell walls composed of cellulose or chitin include which of the following?
A
Animals
B
Plants
C
Fungi
D
Bacteria
Verified step by step guidance
1
Begin by understanding the composition of cell walls in different organisms. Cell walls provide structural support and protection to cells.
Recognize that plants have cell walls composed primarily of cellulose. Cellulose is a polysaccharide that provides rigidity and strength to plant cells.
Identify that fungi have cell walls composed of chitin. Chitin is a long-chain polymer of a glucose derivative, which is also found in the exoskeletons of arthropods.
Note that bacteria have cell walls composed of peptidoglycan, a polymer consisting of sugars and amino acids, which is different from cellulose and chitin.
Understand that animals do not have cell walls; instead, they have cell membranes composed of a lipid bilayer. Therefore, animals are not included in the list of organisms with cell walls made of cellulose or chitin.