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Multiple Choice
Which type of organic compound is the major component of a plant cell wall?
A
Starch
B
Lipid
C
Cellulose
D
Protein
Verified step by step guidance
1
Identify the major structural component of plant cell walls. This is a key concept in understanding plant biology and organic chemistry.
Consider the types of organic compounds listed: starch, lipid, cellulose, and protein. Each has distinct roles and structures.
Recall that cellulose is a polysaccharide, a type of carbohydrate, which is known for its structural role in plant cell walls.
Understand that cellulose is composed of β-D-glucose units linked by β(1→4) glycosidic bonds, forming long chains that provide rigidity and strength to the cell wall.
Recognize that while starch and lipids are also carbohydrates and organic compounds, respectively, they serve different functions such as energy storage, and proteins are primarily involved in cellular functions and structures other than the cell wall.