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Question
Bacterial flagella are made of
Bacterial flagella are made of
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Solution
The correct option is C Protein
Carbohydrates are polyhydroxy aldehydes or ketones. They are the main component of cell wall. Lipids are the major structural components of biological membranes/plasma membrane. Substitution of hydroxyl group of a carboxylic acid with amino group obtains amides. The prokaryotic flagellum is a hair like helical appendage that confers motility or self-propulsion, the capacity of a cell to swim freely through an aqueous habitat, to the bacterium. It has three distinct parts: the filament, the hook (sheath), and the basal body. The hook and filament are made up of protein subunit; the protein of filament is a flagellin. Thus, flagellum is composed of protein. Hence, the correct answer is option C.
Carbohydrates are polyhydroxy aldehydes or ketones. They are the main component of cell wall. Lipids are the major structural components of biological membranes/plasma membrane. Substitution of hydroxyl group of a carboxylic acid with amino group obtains amides. The prokaryotic flagellum is a hair like helical appendage that confers motility or self-propulsion, the capacity of a cell to swim freely through an aqueous habitat, to the bacterium. It has three distinct parts: the filament, the hook (sheath), and the basal body. The hook and filament are made up of protein subunit; the protein of filament is a flagellin. Thus, flagellum is composed of protein. Hence, the correct answer is option C.
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