Which of the following organisms have Chitin as a major structural component of their cell wall________________?
Correct answer: D. Fungi
- A. Prokaryotae
- B. Protoctista
- C. Plantae
- D. Fungi
Explanation
Fungi have cell walls made mainly of chitin, a nitrogen-containing polysaccharide that also occurs in arthropod exoskeletons. Plant cell walls are mainly cellulose, so students may choose Plantae by confusing chitin with the common structural material of plants.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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