A researcher isolates a structural polysaccharide from a fungal cell wall and finds nitrogen atoms in its chemical analysis. This molecule is:
Q1. A researcher isolates a structural polysaccharide from a fungal cell wall and finds nitrogen atoms in its chemical analysis. This molecule is:
Answer: Chitin
Explanation: Chitin contains nitrogen in its acetylglucosamine units, whereas starch, cellulose, and glycogen are pure polymers of glucose only.