Despite being a polymer of glucose, this substance is the main structural component of plant cell walls and is completely insoluble in water.
Q1. Despite being a polymer of glucose, this substance is the main structural component of plant cell walls and is completely insoluble in water.
Answer: Cellulose
Explanation: Cellulose is insoluble in water due to high molecular weight and extensive hydrogen bonding. Glucose is tempting but it is a soluble monomer.