Question: What are cell walls made of?
Options:
- (A) fossils
- (B) peat
- (C) moss
- (D) cations
- (E) Carbon
- (F) Fiber
- (G) Fungi
- (H) sodium
Let's be accurate as possible and think step-by-step.
Plants use cellulose for their cell walls. Basically, fiber is cellulose . Cells walls are fiber.
The answer: (F).