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Q
why can’t our bodies break down cellulose
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Humans cannot break down cellulose due to the absence of the necessary enzyme, cellulase, in our digestive systems. Cellulose is a polysaccharide, a long chain of glucose molecules, and it forms the structural component of the cell wall in plants. It provides rigidity and strength to plants. In animals that can digest cellulose, like cows and termites, cellulase enzymes break down these glucose chains into simpler sugars that can be absorbed. Our inability to produce cellulase means cellulose acts as dietary fiber in our diet. It aids in digestion by helping to form stool and pass it through the gut, but we cannot derive nutritional value from cellulose itself. Thus, while cellulose is abundant in the plant matter that makes up a significant portion of human diet, our body treats it as an indigestible substance that assists in the digestive process rather than as a source of energy or nutrients.
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