What is the primary structural polysaccharide found in the rigid cell walls of terrestrial plants?
Answer and explanation
Correct answer: A. cellulose
- Step 1: Cellulose is an unbranched polymer of beta-1,4-glucose providing tensile rigidity in plant cell walls. Answer: cellulose. Why not the others: Glycogen is animal energy storage; starch is plant energy storage; chitin forms fungal cell walls and insect exoskeletons.
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