What is the predominant material found in roughage?

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Multiple Choice

What is the predominant material found in roughage?

Explanation:
Roughage is the high-fiber, plant-based portion of the diet that provides bulk rather than readily digestible energy. The main component of plant cell walls is cellulose, a structural polysaccharide that makes up most of that bulk. Fat, sugars, and protein are energy- or growth-focused nutrients and do not form the primary constituent of roughage, so cellulose is the best answer.

Roughage is the high-fiber, plant-based portion of the diet that provides bulk rather than readily digestible energy. The main component of plant cell walls is cellulose, a structural polysaccharide that makes up most of that bulk. Fat, sugars, and protein are energy- or growth-focused nutrients and do not form the primary constituent of roughage, so cellulose is the best answer.

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