Question

explain why cow can digest grass but we cannot????

Answer 1

hey frnd...
here's ur answer...
 cows are ruminants and have four stomach chambers enabling them to digest grass. Humans aren't the only creatures who have difficulty digesting grass – dogs sometimes eat grass when they are feeling nauseous. It helps them to vomit as they are unableto digest this substance.
hope it helps u...

Answer 2

Because we have lack of celluose digesting enzymesHumans, unlike cows for ex. don't have the necessary bacteria in their intestines that make the enzymes(cellulases) necessary to breakdown the 1-4 beta glucose bonds. So we cannot break down cellulose into its constituent glucose molecules as we do with starch.
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