Question
Discuss why cellulose cannot be digested by humans but can be utilized by ruminants.
Answer :
Word Count : 255
Cellulose is a structural polysaccharide composed of long chains of β-D-glucose units linked by β-1,4-glycosidic bonds. Although humans consume cellulose as a major component of plant-based foods, they are unable to digest it due to the absence of the enzyme cellulase in the human digestive system. Human digestive enzymes such as amylase, maltase, and lactase are specific for α-glycosidic bonds, particularly α-1,4 and ______ ___ __________ _____ __________ __________ _________ _____ ____.
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Cellulose is a structural polysaccharide composed of long chains of β-D-glucose units linked by β-1,4-glycosidic bonds. Although humans consume cellulose as a major component of plant-based foods, they are unable to digest it due to the absence of the enzyme cellulase in the human digestive system. Human digestive enzymes such as amylase, maltase, and lactase are specific for α-glycosidic bonds, particularly α-1,4 and ______ ___ __________ _____ __________ __________ _________ _____ ____.
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