Multiple Choice
Which functional group is commonly found in macromolecules that contain nitrogen?
2. Molecular Representations
Functional Groups
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Which of the following compounds would be found as the main component of a fungal cell wall?
A
Peptidoglycan
B
Cellulose
C
Lignin
D
Chitin
Verified step by step guidance1
Understand the context: Fungal cell walls are unique structures that provide rigidity and protection to the cell. They are different from plant and bacterial cell walls.
Identify the components: Peptidoglycan is a major component of bacterial cell walls, cellulose is found in plant cell walls, and lignin is associated with the structural support in plants.
Focus on chitin: Chitin is a polysaccharide that is similar in structure to cellulose but contains nitrogen. It is a key component of fungal cell walls, providing strength and flexibility.
Compare the options: Since peptidoglycan, cellulose, and lignin are not typically found in fungal cell walls, chitin is the most likely candidate.
Conclude: Based on the structural role and presence in fungi, chitin is the main component of a fungal cell wall.
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