Generally, animals cannot digest (hydrolyze) the glycosidic linkages between the glucose molecules in cellulose. How then do cows get enough nutrients from eating grass?
A. They have to eat a lot of it.
B. Microorganisms in their digestive tracts hydrolyze the cellulose to individual glucose units.
C. Cows and other herbivores are exceptions and make some cellulose-digesting enzymes.
D. The flat teeth and strong stomach of herbivores break the cellulose fibers so that the cows get enough nutrition from the cell contents.
E. All of the above.
Ans: B. Microorganisms in their digestive tracts hydrolyze the cellulose to individual glucose units.
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a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
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What will be an ideal response?
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