Question

Write about the process of digestion of carbohydrates,fats and proteins in alimentary canal

Answer 1

CARBOHYDRATES:- the digestion of carbohydrates takes place in the buccal cavity.
it is broken down to monosaccharides and disaccharides with the help of ptyalin or salivary amylase.
Starch-------salivary amylase-------->glucose+glucose


FATS:- Digestion of fat occurs tn the duodenum of the small intestine in presence of bile which is secreted by liver and is stored in gall bladder. Bile helps in the breakdown of fats by converting large oil droplet into small oil droplets making it soluble in water called myces.


PROTEINS:-digestion of protein starts in the stomach (partial digestion of protein occurs in stomach) In stomach oxyntic cells of gastric gland secretes HCl which converts the inactive prorenin and pepsinogen into active renin and pepsin enzymes which acts upon protein and converts them into proteoses and peptones. Then the chyme goes to duodenum when the remaining peptones and proteoses is further broken down into dipeptides and amino acids with the help of trypsinogen and chymotrypsinogen enzymes.

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Answer 2

Answer:

These enzymes include proteases to break down proteins, lipases that digest fats and more amylase to finish splitting carbohydrates. Fats are broken down into fatty acids and glycerol, proteins into peptides and amino acids, and carbohydrates become simple sugars such as glucose and fructose