Which of the following pairs of food componen | vedclass

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(B) In humans,the process of digestion begins in the mouth (buccal cavity).Salivary amylase (ptyalin) acts on starch in the mouth,breaking it down int

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Fats and cellulose

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(B) In humans,the process of digestion begins in the mouth (buccal cavity).Salivary amylase (ptyalin) acts on starch in the mouth,breaking it down into maltose.Therefore,starch is partially digested in the mouth and does not reach the stomach completely undigested.Fats and cellulose are not chemically digested in the mouth.Fats require bile salts and lipase (which act in the small intestine) for digestion.Cellulose is a complex carbohydrate that cannot be digested by human enzymes.Thus,both fats and cellulose reach the stomach in an undigested state.

Which of the following pairs of food components reaches the stomach in humans completely undigested?

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