Scelta multipla
The secondary cell wall is composed of:
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18. Cell Junctions and Tissues
Plant Tissue
Scelta multipla
Which group of organisms characteristically has cellulose as a major structural component of their cell walls?
A
Plants (including many algae)
B
Animals
C
Bacteria (primarily peptidoglycan-based cell walls)
D
Fungi (primarily chitin-based cell walls)
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Understand that the question asks about the major structural component of cell walls in different groups of organisms.
Recall that cellulose is a polysaccharide made of glucose units and is a key structural molecule in certain organisms' cell walls.
Identify that plants, including many algae, characteristically have cell walls composed mainly of cellulose, which provides rigidity and support.
Recognize that animals do not have cell walls, so they do not contain cellulose in this context.
Note that bacteria have cell walls primarily made of peptidoglycan, and fungi have cell walls mainly composed of chitin, not cellulose.
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