What nitrogen-containing polysaccharide found in insects is also a component of Shrilk?

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Prepare for the Comprehensive Entomology Exam with detailed quizzes on Morphology, Behavior, Evolution, and Pest Management. Dive into multiple-choice questions with solutions and explanations to boost your understanding. Get ready to ace your entomology test!

Multiple Choice

What nitrogen-containing polysaccharide found in insects is also a component of Shrilk?

Explanation:
Insects rely on chitin as a structural polymer in their exoskeletons. Chitin is a nitrogen-containing polysaccharide built from repeating units of N-acetylglucosamine, which gives it strength and rigidity. Shrilk is a bio-inspired composite that combines chitin with silk fibroin to create a tough, biodegradable material, so the nitrogen-containing polysaccharide involved is chitin. Gelatin and keratin are proteins, not polysaccharides, so they don’t fit. Chitosan is also a nitrogen-containing polysaccharide, but it is a derivative of chitin produced by deacetylation and is not the natural insect exoskeleton component used in Shrilk.

Insects rely on chitin as a structural polymer in their exoskeletons. Chitin is a nitrogen-containing polysaccharide built from repeating units of N-acetylglucosamine, which gives it strength and rigidity. Shrilk is a bio-inspired composite that combines chitin with silk fibroin to create a tough, biodegradable material, so the nitrogen-containing polysaccharide involved is chitin. Gelatin and keratin are proteins, not polysaccharides, so they don’t fit. Chitosan is also a nitrogen-containing polysaccharide, but it is a derivative of chitin produced by deacetylation and is not the natural insect exoskeleton component used in Shrilk.

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