Answer :
Pancreatic juice performs various functions in the digestive process, but it does not directly act as a buffer for gastric juice. The main function of pancreatic juice is to aid in the digestion and absorption of nutrients in the small intestine. (Option a) buffer gastric juice.
Specifically, pancreatic juice contains enzymes that help break down carbohydrates, proteins, and fats. These enzymes include amylase for carbohydrate digestion, proteases (such as trypsin and chymotrypsin) for protein digestion, and lipase for fat digestion. These enzymes are secreted in an inactive form and become activated in the small intestine to prevent premature digestion of pancreatic tissues.
Pancreatic juice also contains bicarbonate ions, which are important for neutralizing the acidic chyme from the stomach. This helps create an optimal pH environment for the activity of digestive enzymes and protects the lining of the small intestine from damage by gastric acid.
So, the correct statement is b) provide protein-digesting enzymes in inactive form. Pancreatic juice contains enzymes in their inactive forms to prevent self-digestion and premature activation before reaching the small intestine.
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