Macromolecule, chitin is a:
Correct answer: C. Nitrogen containing polysaccharide
- A. Sulfur-containing polysaccharide
- B. Simple polysaccharide
- C. Nitrogen containing polysaccharide
- D. Phosphorous containing polysaccharide.
Explanation
Chitin is a structural polysaccharide that constitutes the exoskeleton of arthropods. It is a complex carbohydrate in which N acetyl glucosamine monomers are joined together by (1, 4) blinkages. The chitinous exoskeleton provides strength and elasticity to arthropods. Chitin is a nitrogen containing polysaccharide.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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